Alternatives to OpenText Core Email Message Privacy
Compare OpenText Core Email Message Privacy alternatives for your business or organization using the curated list below. SourceForge ranks the best alternatives to OpenText Core Email Message Privacy in 2026. Compare features, ratings, user reviews, pricing, and more from OpenText Core Email Message Privacy competitors and alternatives in order to make an informed decision for your business.
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Paubox
Paubox
Healthcare's simple, easy, and scalable way to email secure, HIPAA compliant patient information. Keeping patient data secure and remaining HIPAA compliant is a top concern for healthcare organizations, especially when it comes to email. Paubox Email Suite provides guaranteed encryption so you can rest assured your patient data is protected. Our HIPAA compliant email service removes the hassle of portals and passcodes by sending encrypted emails that can be read right in your recipient’s inbox. Healthcare email encryption is easy with our patented tools which integrate easily into your existing email system with no training necessary for employees. Paubox HIPAA compliant email service is designed to empower IT and simplify the process for end-users, making the frustrations and vulnerability of emailing PHI a thing of the past.Starting Price: $29/month -
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OpenText Core Email Encryption
OpenText
OpenText Core Email Encryption protects sensitive information by automatically encrypting emails based on customizable DLP policies and content filters. It secures outbound communication without interrupting user workflows, ensuring compliance for regulated industries such as healthcare, finance, and government. The platform evaluates email subjects, bodies, and attachments in real time to determine whether to encrypt, quarantine, or block messages. Its Best Method of Delivery engine selects the most secure transmission option—S/MIME, TLS, or a secure messaging portal—to guarantee protected delivery to any recipient. Users can communicate securely across devices, while administrators gain full visibility through graphical reporting and compliance dashboards. By reducing human error and automating enforcement, the solution strengthens security posture and supports safe collaboration inside and outside the organization. -
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RMail
RPost
RMail® is the e-security platform by RPost®, a global leader since 2000. RMail specializes in elegantly easy to use email encryption for privacy and compliance, e-signatures, legal e-delivery proof, secure file sharing, email impostor protection, document rights management, and AI-infused services to prevent data leaks and human e-security errors. RMail’s transmission e-security services are most often used by businesspeople or business systems that send important, sensitive, or consumer-regulated information. These RMail services are generally applied to those messages where the sender needs functionality beyond standard email in terms of (a) easier to use and more automated email encryption for privacy compliance, (b) returning a verifiable proof record of who said what to whom by email, (c) assurance and peace of mind related to delivery and open status of important and time-deadline email, (d) need a timestamped proof of content delivered, (f) need to share large files securely.Starting Price: $7/month/user -
4
Delivery Trust
Identillect Technologies
Senders maintain complete control - restrict recipients’ privileges to print, forward or download content, and retract at any time. Identillect evolves with regulatory changes, continuously researching so you don’t have to. Simple for both senders and receivers. No registration or subscription required for recipients. Leverage Identillect’s patented vCard technology to further streamline your secure communications directly from Outlook. Set the level of security desired, enforce enterprise policies across the entire network limiting recipient permissions. This add-in includes access to all Delivery Trust® – Web Only features and capabilities. The DELIVERY TRUST® O365 Add-in makes securing your communications and responses simple while on the go. The intuitive interface means no learning curve with non-invasive implementation company-wide. This add-in includes access to all DELIVERY TRUST® – Web Only features and capabilities.Starting Price: $5.95 per month -
5
Mailock
Beyond Encryption
Mailock secure email empowers companies to exchange sensitive information with customers, without risking their data. It combines award-winning encryption technology with multi-factor identity authentication to protect confidential emails from cyber risk and keep customer information protected. Compose a secure email from your desktop, browser, or use rules and keywords to initiate the encryption. Set authentication challenges to verify your recipients’ identity so only the right people gain access. Keep audit trails for every message and track your recipients’ activity with real-time read notifications. Recipients can encrypt their replies for free. Empower your customers with a secure thread to your business. Deliver confidential documents to your customers at high volume with automated secure email delivery.Starting Price: $9.30 per user per month -
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Despite the rise in text messaging, instant messaging, and social networking, email continues to be the predominant business collaboration tool. The unsecured nature of email, however, exposes sensitive information to malicious attacks. The Cisco Secure Email Encryption Service (formerly Cisco Registered Envelope Service) provides enhanced security and reliable controls for traditional email tools. It is fully integrated into most common email technologies and into a user's daily email routine. Encryption is triggered by policy or by data loss prevention tools. Cisco Secure Email creates an encryption key then wraps the email in an HTML envelope and delivers it to the recipient. When Envelope Storage is enabled, the key and message are stored temporarily in the Secure Email Encryption Service. The recipient clicks on the link to open the message on any device. Secure Email Encryption Service is based on technology that uses the most reliable email encryption algorithms available.
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Encyro
Encryo Inc
Encyro offers secure file sharing, encrypted email, and electronic signatures. Encyro's award winning design makes the process easy for both you and your clients. You need not ask clients to sign up for any portal accounts. Encrypted Messaging and File Sharing You can directly send to any email address and Encyro automatically keeps your data secure both during transmission and storage to let you comply with HIPAA, GLB, IRS, GDPR, FINRA, SOX and other compliance standards. You can receive securely via your custom branded upload page that does not require the client to login or jump through hoops. Electronic Signatures Encyro e-signatures are designed to keep your transaction secure during remote signing. You control the login options and the type of signature to ensure that the right person is signing. Encyro also provides custom branding, automated reminders, and re-usable e-sign templates. NIST-800-63 compliant access codes by text/SMS for added security.Starting Price: $9.99/month/user -
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SignOff
Datawitness Online
A Datawitness electronic signature is a process that captures the intent of a recipient to accept the contents of an online message. It is legally accepted just like a handwritten signature. When you use our electronic signature software to send your contract or agreement to a recipient for signing, you automatically capture a legally binding electronic signature without moving paper between parties. Send simple agreements with our electronic signature software and receive confirmations when they are complete. Or track every step of an ongoing exchange of documents on the way to a final agreement using Datawitness' online control panel. New electronic signature laws allow a purely electronic process for delivery of documents for signature. Datawitness uses a legally tested click wrap process that includes all steps required for binding electronic signature capture that will stand up in court. -
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Hushmail
Hushmail
Hushmail protects your clients by adding encryption to your emails, web forms and e-signatures. It’s secure, HIPAA-compliant, and trusted by healthcare professionals worldwide. Best of all, Hushmail is easy to set up and use. Send your first encrypted email today, and set up a secure online intake form in minutes. Your Hushmail account works just like a regular email account, with added security features to help keep your data safe. Send and receive encrypted email on the web and iPhone. Access your account using Outlook, Apple Mail or your Android smartphone. Move your forms online in minutes. Hush™ Secure Forms is our secure alternative to old-fashioned paper forms and includes online signing for your most important digital forms. Switching from pen and ink to e-signatures has never been easier.Starting Price: $9.99/month/user -
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SenditCertified
Privacy Data Systems
SenditCertified provides a patented menu of cloud-based services, enabling subscribers to send and receive secure email and attachments, store large files, and complete signature-required transactions securely. With SenditCertified, your secure email has never been simpler and more secure. Try SenditCertified‘s secure, biometric-enabled email services for free for 14 days, no credit card is required. SenditCertified’s patented technology enables you to send confidential medical information such as patient social security number and address, diagnoses, referrals, test results, and pharmaceutical details can be sent and received securely, while maintaining HIPAA compliance. SenditCertified’s patented technology enables you to easily communicate online while maintaining attorney–client privilege. Safely send and receive email messages and documents – as well as audio and video files – while maintaining control over who can view, print, save or download your messages and files.Starting Price: $14.50 per user per month -
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EncryptTitan
TitanHQ
EncryptTitan is a 100% cloud based encryption system for MSPs & Enterprises that allows users to exchange information securely via email. EncryptTitan provides organizations with the tools needed to adhere to state and federal privacy regulations while protecting their organization. EncryptTitan has pre-built DLP policies and settings that will look for regular content in the message body or attachment to automatically encrypt messages. Meet compliance requirements for protecting sensitive, private information. Providing data breach protection and avoiding costly fines and penalties. The outlook plug in can be used with our keyword encryption deployment, where the user can select which emails to be encrypted for the add in. EncryptTitan helps the safeguarding of private information & avoidance of litigation & bad press which can impact customer trust. Book your demo today and learn more about EncryptTitan. -
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Atomic Mail
Atomic Mail
Atomic Mail is a secure and user-centric email hosting provider, dedicated to offering privacy-first email services. With features such as alias creation, robust security measures, and seamless account recovery, AtomicMail ensures your email experience is both private and hassle-free. Creation of Aliases (Hide-my-email): Maintain your privacy by creating multiple email aliases; Spam Free, No Ads; Email Password Protection; End-to-End Encryption: only you and your intended recipient can read the message; Zero Access Encryption: Atomic Mail cannot access your emails; Account Recovery with Seed Phrase: Recover access to your account with a unique seed phrase. Can regain control of your email account without compromising security.Starting Price: $0 -
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PreVeil
PreVeil
PreVeil makes military-grade security accessible to everyone. Its encrypted Drive and Email platform is used by over 3,000 organizations to improve their security and achieve CMMC, DFARS, and ITAR compliance. PreVeil Drive works like DropBox for file sharing and collaboration, but with far better security. PreVeil Email works with existing apps like Outlook or Gmail, letting users keep their regular email addresses. Because it works with your existing tools, PreVeil is easy to use and can be deployed in hours. All documents and messages are automatically encrypted end-to-end, which eliminates central points of attack and means that no one other than intended recipients can read or scan your sensitive information—not even PreVeil. PreVeil’s solution has been used by 75+ defense contractors & C3PAOs to achieve perfect 110/110 scores in CMMC assessments. Visit PreVeil to learn more.Starting Price: $20 per user per month -
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SalaX Secure Mail is an easy-to-use and highly secure email encryption solution that can be embedded in your existing email services to protect confidential email communications. Verify all users (senders and recipients alike) with various authentication methods (including strong authentication bank ID, SMS OTP, mail OTP, and password). Ensure security with monitoring features, like audit trails and various reporting options. Protect your communications with end-to-end encryption, all the way from sender to recipient. Secure Mail supports various email security protocols (DMARC, DKIM, SPF) as well as S/MIME-based encryption. You are in control of your data, flexible deployment is possible in the cloud or on-premises. Secure Mail also offers multiple configuration options (APIs, web interfaces). Classify confidential data and adjust security levels according to your policies. Stay compliant with data privacy laws and regulations (e.g. GDPR) thanks to government-grade security.
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PBHS SecureMail
PBHS
Achieve and maintain data privacy compliance. PBHS Secure Mail is a mature HIPAA encrypted messaging solution for doctors, dentists, hospitals and other healthcare providers. Compliancy made easy! There is no software to install, configure or maintain. PBHS Secure Mail works on any device, from any location. It’s simple to share. Documents, Radiographs, CT Scans, and Messages are organized and available to all colleagues working on a case. Account initiation is as simple as logging in with your ADA Membership ID. Our optional Outlook Plug-in enables users to send and receive messages directly via Microsoft Outlook on your PC. Treatment Letters and private communications that are delivered from your practice management software to Outlook are now encrypted. Radiographs that are delivered from your digital x-ray systems to Outlook are now encrypted. No need to change how you email your colleagues and patients. Continue to use Outlook without violating HIPAA.Starting Price: $10 per month per account -
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Hornetsecurity Email Encryption
Hornetsecurity
Business emails often contain in-house, personal, or other sensitive content that could be intercepted and accessed without authorization if inadequately protected. Ensure all-around encrypted exchange of emails with Email Encryption from Hornetsecurity for reliable, secure email communication. Outgoing emails are automatically encrypted with one of the common encryption technologies (PGP, S/MIME, or TLS), depending on the set policy and availability of the corresponding certificates, without any further user intervention. If the sender’s public key is available, their emails are automatically decrypted and delivered to the recipient. Encryption of data has become a priority because of compliance requirements. In a business environment, the exchange of sensitive files and information takes place primarily via email communication. Encryption of the transmission path is essential to protect this data. -
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Z1 SecureMail Gateway
Zertificon
25% of the 100 German companies with the highest turnover choose Zertificon. Z1 SecureMail Gateway is our highly automated Enterprise Email Encryption solution for effortless, secure communications with anyone, anywhere. Your entire organization encrypts and decrypts, just as well manages & verifies email signatures smoothly in the background. Z1 SecureMail Gateway requires minimal maintenance. And the browser-based admin interface needs no special skills. Keys are managed automatically & central policies enforce security. Integration is fast into your Cloud or On-premises email infrastructure. Your workflows and business are uninterrupted — no employee training needed plus frictionless experience for recipients. With Z1 SecureMail Gateway, encryption is centrally configurable and proofed against human error. You easily achieve and maintain compliance and the highest security standards. You also own all encryption keys and attain German-engineered data sovereignty with no backdoors.Starting Price: from $ 1.50 per user/per month -
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StartMail
StartMail
StartMail is a secure, private email provider designed to protect your privacy. With StartMail, you can create disposable email addresses anytime, keeping your real inbox safe from spam. We believe privacy is a fundamental human right, and we’ve made it simple for you to protect yours. Even when your recipient doesn’t use encryption, you can still send password-protected messages with just one click. Our service complies with Dutch privacy laws—some of the strictest in the world—and adheres to European privacy standards. For professionals, StartMail also provides the option to secure your own domain with custom email addresses. No software downloads or installations are required; our easy setup gets you up and running in minutes.Starting Price: $35.93 per year -
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Chert
Chert
Chert is iMessage infrastructure for reaching people at scale, providing the API and workflow layer for sending, receiving, routing, and observing real iMessage conversations. It lets teams build and deploy AI on iMessage while maintaining quality, trust, and personalized interaction, with blue-bubble threads from verified numbers delivered like native iMessage. Typing indicators, reactions, reply context, read receipts, and attachments stay intact for AI or human follow-up, while multi-recipient threads support named senders and clean handoffs. If a recipient is not on iMessage, conversations can fall back to SMS or RCS, with delivery status surfaced per message. Workflow primitives include phone number pools, reply routing, webhooks, and audit trails, and the same API can start a thread, interpret a reply, and move the workflow forward.Starting Price: Free -
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OpenText MailStore Cloud Archive
OpenText
OpenText MailStore Cloud Archive is a cloud-native, SaaS-based email-archiving solution designed for small and medium-sized businesses. It supports virtually all common email systems, including Microsoft 365 (Exchange Online), on-premises Microsoft Exchange Server, Google Workspace, as well as generic IMAP and POP3 servers, and can archive single or multiple mailboxes, including shared or group mailboxes. It offers complete archiving through journaling (capturing emails before delivery) or mailbox synchronization (including folder structure), with deduplication, support for IRM-protected messages, non-delivery reports, and the option to remove archived messages from the live mailboxes. All archived emails are stored in a tamper-proof manner: they remain authentic copies identical to the originals, protected with strong encryption, digital signatures, and legally compliant audit logging.Starting Price: $259 per year -
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Echoworx
Echoworx
Echoworx is a fully managed, cloud-based SaaS email encryption solution trusted by businesses worldwide. It offers 8 secure delivery methods, supports 28 languages, and features 9 authentication options, enabling secure communication anywhere, on any device. Key Features: • Multiple Secure Delivery Methods: Web Portal, S/MIME, PGP, Secure PDF, Certificate Encryption, Secure Attachment (PDF, Office, ZIP), TLS with fallback • Free Proof of Concept (POC): Experience full functionality with a risk-free trial • 24/7 Technical Support • Extensive Branding Options • Message Tracking & Recall • End-to-End Deployment: Seamless integration and setup across platforms • Advanced Authentication: Full OAuth Access, Self-Registration, SMS, Shared Secret Passphrase, SSO, System-Generated Verification Codes, Passwordless, and Multi-Factor Authentication (MFA) • Accessibility by Design • Self-Service Account Management -
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OutMass
Metis Information Technologies Ltd
OutMass is a browser extension for Chrome and Edge that adds mass-email and mail-merge capability to Outlook on the web. Campaigns are built inside Outlook itself, and every message is sent through the user's own Microsoft account via the official Graph API, so recipients see a normal email rather than a bulk sender. Microsoft 365 and personal Outlook accounts are both supported. Campaigns start from a CSV: each column becomes a merge tag, and every recipient gets a personalized message. Open and click tracking show who engaged, and a daily reply check catches responses. Automated follow-ups re-contact non-openers and stop the moment someone replies. Scheduled sending, per-day send limits, A/B subject testing, an AI email writer, reusable templates, campaign reports with CSV export, unsubscribe links and OneDrive-link attachments complete the toolset. The interface is available in 13 languages. Free plan: 250 emails per month. Starter: $9/month for 2,500. Pro: $19/month for 10,000.Starting Price: $9 per month -
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PakLog
Excercio
Define your own delivery or package statuses to let your customer know what is happening to their package or delivery. System defined statuses of received, delivered, and returned. Define your own custom data fields for Recipients and Package records to optimize the reporting and manageability of the delivery. Every action taken to the delivery for the package is tracked and logged so that you can have a full accountability of the package record. Define the types of users that can use the system to help manage the packages and prevent any mistakes or errors. Custom Notification messages so that customers can be properly notified every step of the way. Includes detailed delivery info. Send email announcements to all your recipients of any urgent or customary messages. Automated reminder emails included. Capture digital signatures of the recipient using supported signature devices or your tablet or smartphone.Starting Price: $299 one-time payment -
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MailHippo
MailHippo
HIPAA compliant email made easy and affordable. MailHippo is the easiest way to securely send and receive sensitive information and attachments by email. There's no setup or configuration required. Just sign up and start sending and receiving HIPAA-compliant emails right away. End-to-end encryption means your sensitive emails and attachments are always secure, both in transit and at rest. MailHippo works with your current email address, and with any email provider. MailHippo looks and works great on any smartphone or tablet. Get a unique link that empowers you to receive totally-secure emails from anyone. Get our HIPAA-compliant email platform with secure encrypted email messaging for FREE during our limited-time Beta program!Starting Price: $4.95 per month -
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Virtru
Virtru
Easily control access to sensitive data flowing in and out of your organization via email, file sharing, and other applications. All powered by the Trusted Data Format and Virtru’s industry-leading platform for Zero Trust Data Control. Virtru integrates natively within the apps your teams already use, securing workflows in Google, Microsoft 365, Salesforce, Zendesk, and more. We make military-grade encryption accessible to everyone. Deploy Virtru across your organization in less than a day and meet your compliance goals. Granular access controls safeguard your most valuable asset — your data — throughout its entire lifecycle, everywhere it travels. Collaborate securely in Docs, Sheets, and Slides. Store and share files in Drive. Message via Gmail and Google Meet. Secure messages flowing through enterprise and custom apps. Seamlessly protect emails and files shared via Outlook. -
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SMTP Provider
SMTP Provider
Experience the next level Email Marketing at an affordable price. Use a dedicated IP address to increase your sender reputation and avoid blacklisting of your IP due to someone else’s actions. Show that it’s really your own company and domain sending the message, and minimize the amount of messages that are marked spam by using the special cryptographic signatures SPF and DKIM. Our SMTP servers send your emails using secure SSL connection. Moreover, it's lightning fast. For each mailing list, you can discover the amount of messages sent out, the number of conversions made and links clicked, and many other details. Our SMTP service generates sending reports and delivery error reports. All reports can be downloaded to your computer. Your mailings won’t be sent to any addresses on the list of recipients who have unsubscribed, even if they are on a mailing list. Make sure that your emails are delivered to the inbox and not the spam folder. -
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ZixMail
Zix Corporation
ZixMail is the desktop email encryption solution that provides individuals with a high level of security in their email communications. It's an easy-to-use service that lets users encrypt and decrypt emails and attachments with a single click. Trusted by key figures in Government, Financial, Healthcare, and Legal fields, ZixMail is a unique Email Encryption application that differentiates itself from other solutions by focusing on both the sender and receiver experience. Combining best-in-class encryption technologies with easy to use interfaces, ZixMail is the perfect fit for your organization's email security needs. -
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CompleteSMS
CompleteSMS
CompleteSMS is a business-SMS platform designed to let companies send and receive text messages from their desktop, mobile device, email, or web browser, without needing a developer. It supports both one-to-one and bulk SMS sends, with full two-way messaging; you can send messages from your browser, email (Gmail or Outlook), spreadsheet, or via API, and recipients’ replies come back into your inbox just like normal messages. CompleteSMS handles contact management (unlimited contacts & lists), message templates, long-text support (up to 765 characters), dedicated local-area numbers (“long codes”), message threading, scheduled sends, and automatic opt-out/blacklist compliance (e.g., handling “STOP” replies). It also offers features like call-forwarding (so customers who call your SMS number are routed to a voice-enabled device), detailed user/usage reporting, delivery & error reports, and support for compliance with regulations such as US 10DLC or country-specific sender-ID rules.Starting Price: $30 per month -
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Letterbox
Letterbox
Who reads your mails? With regular mails you, the receiver, all mail providers and maybe others can read them. With end-to-end encrypted mails only the sender and the receivers can read them. Our iOS-App Letterbox makes end-to-end encryption easy to use, is compatible with most mail providers and supports the standard encryption protocol OpenPGP. Letterbox is similar to common mail apps but indicates the security state of incoming and outgoing mails. We disinguish between a confidential and insecure mails. Letterbox is a free open-source mail client on iOS and part of an ongoing research project at the Freie Universität Berlin, Germany. Letterbox is still under development but you can soon use the app on your device with Apple's TestFlight app.Starting Price: Free -
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Accordium
Accordium
Accordium makes your emails engaging and personal and helps you close deals faster with electronic signatures. Transform the way your sales team engages with prospects and customers. Improve conversion rates, shorten the cycle, get more replies to emails and collect signatures faster. Get contracts signed within a minute without having to chase people down or wait for the mail. Accordium eSign makes the signature process simple. It saves paper, time and money. It’s a quick and easy way to get legally binding electronic signatures. With Accordium, it’s easy to add a short personal video to your emails. The video puts a face and a voice to the sales message and establishes trust with the prospect. You can monitor open rate and see what type of messaging gets to you closer to closing the deal. Thousands of salespeople use Accordium every day. Do you want personalized video sales to play a key part in your organization too?Starting Price: $5 per month -
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Teamworks
Teamworks
Teamworks keeps your team at its best by elevating your culture, eliminating distractions and building accountability at every level. Communicate effortlessly to enhance accountability and efficiency throughout the team. Send or schedule email, voice and text messages. Create specific, customizable groups for messages. Send blast text messages to groups and receive one-on-one replies. Get read receipts when a message is viewed. Ensure every aspect of your trip is exceptional by streamlining the logistics. Collect and compile data easily to eliminate time wasted tracking down information. Collect signatures with DocuSign, allowing recipients to sign on web or mobile. Protect valuable team data with military-grade security. Rest assured that all your sensitive data is protected with top-level security, robust permissions and access control. -
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Aster Mail
Aster Mail
Aster Mail is a free, open-source, end-to-end encrypted email service for people who want real privacy without the technical overhead. All encryption happens on your device before anything reaches our servers, so we have zero access to your messages or metadata. Aster uses standard OpenPGP with portable RSA-4096 keys, so you're never locked in. Your keys work with GPG, Thunderbird, or any PGP client, and they're discoverable through WKD and public keyservers. Aster-to-Aster messages use a Signal-inspired X3DH and Double Ratchet protocol for forward secrecy. Every plan includes encrypted email, custom domain support, free aliases, tracker protection, and full access across web and desktop. The entire codebase is published under AGPL v3 on GitHub, fully auditable, with a public warrant canary and documented vulnerability disclosure. Free plan includes 10 GB encrypted storage, 5 aliases, and 1 custom domain. Paid plans start at $2.99/month. Servers located in Germany. -
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OpenSign
OpenSign
Experience the freedom of limitless digital signing without ever reaching for your wallet. Bring multiple people into the signing process at no extra cost. Close deals, not your wallet. Every signed document comes with a detailed completion certificate, featuring access logs, all at zero cost. Your documents deserve a safe home. Store and organize them for free in our secure OpenSign drive vault. OpenSign is an open source digital signature platform that enables secure signing of documents with ease and efficiency. It's designed to provide a free alternative to commercial e-signature services like DocuSign, offering transparency and customization opportunities to meet your unique business needs. OpenSign allows users to upload documents, request signatures, and sign documents electronically. It uses state-of-the-art cryptographic algorithms to ensure that all documents are signed securely and are legally binding in most countries.Starting Price: $9.99 per month -
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black.com
black.com
Encrypted email hosting service. Emails are zero-access encrypted (AES-GCM-256 with RSA-OAEP-4096 key sharing) with a password-derived key, which means that not even we can access the contents of your emails at rest. Our system encrypts subjects, headers, message contents, attachments, email drafts and push notifications. Unparalleled commitment to data security with our Austrian-based company, leveraging Swiss-based infrastructure. In a landscape dominated by US tech providers, we utilize the world's most robust privacy protection laws. You start with 25 GB and get 2 GB of additional storage every year - forever. With normal usage, you will never run out of space. -
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Mailfence
Mailfence
Mailfence is an encrypted email service that offers OpenPGP based end-to-end encryption and digital signatures. Mailfence comes with a plethora of features that boost collaboration without compromising security and convenience. Mailfence documents allow you to safely store and edit documents, you can also share docs with your team with the push of a button. Mailfence calendar will keep your tasks, meetings, and events all in one secure place. Mailfence contacts will store your contacts and it will give you the ability to create mailing lists to maximize efficiency. We designed Mailfence to be a fully interoperable suite, which means you can synchronize Mailfence with most services out there. Mailfence business offers fully customizable whitelabel versions of the Mailfence interface. To put the cherry on top, Mailfence donates 15% of revenues of PRO subscriptions to IFF and EDRI to bolster the fight for Online privacy.Starting Price: $2.50/month/user -
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TurboSign
TurboDocx
TurboSign is a digital e-signature solution within the TurboDocx platform that enables users to send, sign, and manage legally binding documents quickly and securely as part of a fully automated document workflow. It allows users to upload documents such as PDFs, define signature fields, and send them instantly to recipients for signing, supporting multi-party workflows and streamlined contract execution. It provides audit trails and tracking capabilities that record signature activity, ensuring compliance and transparency throughout the signing process. Designed to work seamlessly with TurboDocx’s document generation tools or as a standalone product, TurboSign enables users to move from document creation to final signature in a single, continuous workflow without switching platforms. It integrates with APIs and automation systems, allowing developers to embed signature functionality directly into applications and trigger signing processes programmatically.Starting Price: $10 per month -
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OpenText Core Email Continuity
OpenText
The OpenText Core Email Continuity solution ensures continuous access to email even when your primary mail infrastructure goes down, by automatically redirecting messaging to a secure web portal or Outlook via POP/IMAP, allowing users to read, reply, forward, compose, and send email normally during outages. It provides up to 30 days of stored inbound messages, preserving recent email history. During a mail-server outage, incoming messages are spooled at the spam filter, and users are automatically directed to the continuity service; once the primary server returns online, all email activity (sent items, replies, forwards, new messages) syncs back automatically to the main mailbox, preserving continuity. It requires no additional hardware, it auto-provisions through a central portal, and runs transparently until needed. Access can be from any device, anywhere, via web or standard email clients. -
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Spryngtime
Spryngtime
Spryngtime is a free, legally compliant e-signature platform that lets you upload, sign, and send unlimited documents without any cost or hidden fees. The platform supports easy document preparation with drag-and-drop fields for signatures, dates, and text, making signing simple and intuitive. Users can send documents to unlimited recipients and track signatures in real time via email notifications. Completed documents are automatically finalized and distributed to all parties with detailed audit trails ensuring legal compliance with the ESIGN Act and UETA. Spryngtime offers all premium e-signature features without charging a premium price or requiring credit card details. This makes it an ideal tool for individuals and businesses seeking secure, no-cost digital signing.Starting Price: Free -
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SEPPmail
SEPPmail AG
Sending and receiving digitally signed and encrypted emails is easier and more convenient than ever before. Thanks to the Secure E-Mail Gateway from SEPPmail with integrated and patented GINA procedure for spontaneous encryption, SMEs and large companies secure their entire e-mail communication at the highest level, with the least effort and simplest handling for sender and recipient. With its comprehensive Secure Email solution, SEPPmail is setting new standards for secure, GDPR-compliant email communication. As one of the world’s leading email encryption and signature solutions, SEPPmail includes all the features to protect the sending of confidential data via email, guarantee the authenticity of the sender and ensure the confidentiality and integrity of the message. Thanks to its modularity, the secure e-mail gateway solution can be configured according to customer-specific requirements and expanded seamlessly.Starting Price: 4.5 € per user per month -
40
PerfectMail Antispam
PerfectMail
PerfectMail delivers better than 99% filter accuracy with false positives (wanted e-mail blocked as spam) at less than 0.1%. PerfectMail automatically learns about your users and their regular e-mail peers and never blocks their e-mail. The only time PerfectMail might have an issue is with a questionable e-mail from new senders. This takes the risk out of antispam filtering. Most spam filters work like this: receive e-mail, queue, filter, deliver or send a non-delivery reply. The problem with this model is that mail is delayed and senders/recipients may never realize that wanted messages were blocked. PerfectMail works in real-time meaning that it filters messages as they are received - without queuing. This means that PerfectMail tells the sender if their message is being blocked. - PerfectMail's antispam engine is programmed C - the fastest programming language in the world.Starting Price: $499 one-time payment -
41
QuoteCloud
Corporate Interactive International Pty Ltd
#1 Sales Quoting Software & Sales Proposal Software * Create and send sales quotes, easier and faster * Know when your customer is reading your sales quote. Make your move at the right time, QuoteCloud will message you when your customer opens a sales quote. * Stand out from the crowd . Create interactive documents that set you apart from your competition. * Industry Specific Software Extensions. Explore a library of software extensions that make the difference in your industry. Built by experts just for you! * No design skills required. Use our library of sales quote templates, design your own, or ask us for help. * Easy customer eSignatures. Add e-signatures to make it super easy for your customers to sign legally binding documents. * Get Paid Faster With integrated e-signature and payment features, your prospect can sign your legally binding terms and conditions and pay a deposit in minutes. *Live Chat. Live chat with customers while they read your sales quotes.Starting Price: $39 /user per month -
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BoldSign
Syncfusion
Get your contracts signed online with legally binding e-signatures. Send signature requests and track their progress with our easy-to-use app or embed the entire workflow into your own app using our API. The entire process is as simple as uploading your existing documents, specifying recipients, configuring signature fields, and then sending out for signatures. This process can be shortened even further by saving your frequently sent documents as templates. Most companies are already aware of the benefits of getting their sales contracts signed online, but very few realize the potential benefits of a deeper e-signature integration into their existing applications using APIs. All manually initiated paper and email-based document workflows, like NDAs, employee onboarding, expense approvals, and hardware requests, can be greatly optimized by initiating, tracking, and signing documents from right within your existing applications.Starting Price: $5 per user per month -
43
ReadySign
Onit
ReadySign is an eSignature software solution designed to help organizations send, sign, and manage documents quickly and securely. It allows users to create custom forms and reusable templates for common documents like contracts, NDAs, and agreements. The platform supports bulk sending and AnySign links, making it easy to collect signatures from multiple recipients efficiently. ReadySign provides a centralized dashboard where users can track document status, send reminders, and manage signing workflows. It also includes secure document storage with role-based access controls and audit trails for compliance. The platform ensures legally binding signatures while meeting standards such as ESIGN and UETA. Overall, ReadySign simplifies document signing processes, reduces delays, and improves productivity.Starting Price: $6/user per month -
44
CodeTwo Email Signatures 365
CodeTwo
CodeTwo Email Signatures 365 is a cloud-based email signature and disclaimer service. You can design and centrally manage email signatures for all users in your Microsoft 365 (Office 365) directly from a web browser. No matter what device or email client you use, the service automatically adds a professional, personalized signature to your emails. • All email clients and devices (including mobiles) supported • Signatures added directly in Outlook or server-side • Sender details automatically pulled from Microsoft 365 (Entra ID) • Email marketing campaign automation • World’s best HTML signature editor & customizable templates • Signatures added directly under the latest reply or forward • Logos, banners, social media buttons and user photos in signatures • Graphics embedded in signatures (no need to download them in Outlook) • One-click CSAT surveys • Ultra-secure (Microsoft 365 certification + ISO/IEC 27001 & 27018)Starting Price: $0.81/month/user* -
45
Egress Intelligent Email Security
Egress Software Technologies
Intelligent Email Security. Our human layer security platform uses contextual machine learning, powerful encryption and analytics technologies to prevent human-activated data breaches, protect sensitive data (Egress Protect), and enable you to identify areas of risk across your email network. We use contextual machine learning and advanced DLP technologies to dynamically help employees make good security decisions. This includes detecting and preventing accidental and intentional data leaks, and ensuring the right level of protection is applied to sensitive data when it's shared with the correct recipients. We make email encryption easy using our simple plug-in or by automating protection based on your security policies. Our intelligent technology can determine the actual risk of a breach as data is shared to ensure the correct security and control is always applied. Our eDiscovery software delivers time-saving reporting and analytics across your email network. -
46
Falkon Sign
Falkon Systems
Falkon Sign is a secure eSignature platform that enables businesses to send, sign, and manage documents digitally with speed and reliability. Users can upload documents, add recipients, place signature fields, and send agreements within minutes through an intuitive interface. The platform supports unlimited documents, signatures, recipients, and users without per-envelope fees, making it scalable and cost-effective. Falkon Sign includes email OTP verification to authenticate signers and tamper-evident audit logs to track every step of the signing process. Cryptographic hashing ensures document integrity, while all data is stored in US-based data centers for compliance. Additional features include reusable templates, real-time status tracking, and mobile-friendly signing, making it ideal for legal, HR, finance, healthcare, and operations teams.Starting Price: $10/month -
47
iionLife
iionHealth
iionLife by iionHealth is a free patient portal specifically created for behavioral health professionals. This effiicent and fully HIPAA secure system enables users to extend the care they deliver outside of their office. iionLife offers standardized assessment tools (i.e. PHQ-9) and a range of features for longitudinal tracking of patient results, patient journaling, activity tracking, secure email messaging, and so much more. The solution also includes Community of Care, Care Plan, Reference Library, Accounting, among others. -
48
Superhuman Mail
Superhuman
Superhuman Mail is an AI-powered email application designed to help professionals manage their inbox faster and more efficiently. The platform focuses on improving productivity by reducing the time users spend reading, writing, and organizing emails. With features like keyboard shortcuts, reminders, and AI-assisted writing, Superhuman helps users respond to important messages quickly and consistently. The app integrates with Gmail and Outlook, allowing teams to upgrade their existing email workflows without switching platforms. Users can schedule emails, snooze messages for later, and receive reminders to follow up on unanswered emails. Built-in read receipts and activity indicators provide insight into when recipients open messages or when teammates are replying. By transforming email into a task-driven workflow, Superhuman Mail helps users stay organized and avoid missed communication.Starting Price: $30 per user per month -
49
Signaturit
Signaturit Solutions
Make it easier for your employees to sign employment contracts or documents, at any time or place, safely and legally. They will save time by avoiding travel or print paper, and you will save time managing the signature and onboarding process. Use electronic signatures, with biometrics or digital certificates, and certified emails to streamline the personnel selection and employment and termination processes. You will also have digitized versions of employee labour files, accessible at all times. Greater legal coverage if there are disagreements, and reducing the risk of people outside the department accessing private data. Remember that digitized information is more secure than documents that are archived on paper. Write the name and email of the recipient, attach the documents you need to send with acknowledgement of receipt, and click send. From our platform, you will be able to follow the process in real time, and you will know immediately when the recipient receives the documents. -
50
gpg4o
Giegerich & Partner
Preserve the privacy of your electronic correspondence. Send confidential email in Microsoft® Outlook® 2010/2013/2016 safely once and for all with gpg4o®, developed by Giegerich & Partner, based on OpenPGP, one of the most widely used and safest cryptographic techniques worldwide. gpg4o® is suitable both for private and enterprise use. gpg4o® by Giegerich & Partner guarantees the privacy of your electronic correspondence by mail encryption. gpg4o® enables the integration of one of the most widely used and safest email encryption systems into Microsoft® Outlook® 2010, Microsoft® Outlook® 2013, Microfost Outlook 2016 and for Microsoft® Outlook® 2019. Easy installation and an intuitive user experience help you preserve the privacy of your email. With the gpg4o® product maintenance, you will always get the latest features for more security and even better user experience.Starting Price: $93 one-time payment
