Best On-Premises Email Security Software

ESET Protect Advanced is a comprehensive cybersecurity solution designed for businesses of all sizes. It offers advanced endpoint protection against ransomware, zero-day threats, and sophisticated attacks with ESET LiveSense technology. It includes full disk encryption for legal compliance and data protection. The solution features proactive cloud-based threat defense using adaptive scanning, machine learning, cloud sandboxing, and behavioral analysis to prevent new threats. Mobile threat defense secures Android and iOS devices with anti-malware, anti-theft, and mobile device management. It also provides cloud app protection, mail server security, and vulnerability and patch management. Extended detection and response (XDR) enhances threat detection and response, while multi-factor authentication adds security. The solution offers single-pane-of-glass remote management for visibility into threats and users, along with advanced reporting and custom notifications.

Remove all pain from Office 365 management. Manage everything from AD Users & Computers. Eliminate Exchange on-premises. Easy365Manager integrates Office 365 with AD management, eliminating the need to constantly log in to web consoles and run PowerShell. Easy365Manager extends the functionality of AD Users & Computers by adding two new tabs to user properties. This allows you to manage EXO mailboxes directly from AD user properties - even complex settings like calendar delegation that otherwise require complex PowerShell scripting. Easy365Manager will allow your first-level supporter to work lightning-fast and reduce the number of tickets that are escalated to senior admins. Easy365Manager installs to any PC or server that has AD Users & Computers. There is no server component, service, AD extension, or custom security layer. You can install and configure Easy365Manager in less than two minutes and instantly eliminate all pain from hybrid Office 365 Management.

Advanced protection to safeguard your inboxes. Email is still the No. 1 threat vector. Expand the scope of your defenses to detect dangerous threats and rapidly respond to and remediate new threats in real time. Identify the malicious techniques used in attacks targeting your organization. Understand the specific business risks and categorize threats to gain insight into the parts of your organization that are most vulnerable to attack. AI-driven threat detection uses multiple detection engines to simultaneously evaluate different portions of an incoming email. These verdict details help ensure accurate threat classification, identify business risk, and promote an appropriate response action. Threats come from numerous sources: phishing, business email compromise, malware, and ransomware. Defend against all of them with industry-leading threat intelligence that empowers you to act quickly.

Kevlarr is the ultimate DMARC monitoring and management solution tailored exclusively for MSPs. Purpose-built from the ground up, our platform empower Our dashboard takes the complexity out of setting up and maintaining a strict DMARC policy. All irrelevant data is omitted through our AI-driven filters. Monitoring data related to spoof attacks or forwarded emails can be filtered out by our AI filters. As a result, you only have to pay attention to data that you or your customer actually have control over. This can save your specialists a lot of time. Our wizard guides you through the process of DMARC management. We have put our knowledge and years of experience in the field of DMARC management into this solution. For each customer, we zoom in on all domains that require your attention. Starting with the most urgent issues. This way you can be sure that you don't miss anything.

Safeguard Microsoft Office 365, Google G Suite, and on-premises email with the industry’s most complete email security solution. Insulate users from spear phishing, credential theft and ransomware attacks by using Email Threat Isolation. Prevent insidious email threats such as spear phishing, ransomware, business email compromise and email spam. Stop spear phishing emails with multiple layers of protection, threat isolation, spam filtering, advanced security email analytics, built-in user awareness, education tools, and more. Block the latest ransomware with content defense, sandboxing, and link protection technologies that detect emerging, stealthy, and zero-day attacks. Defeat business email compromise with impersonation protection, sender authentication enforcement and brand protection controls. Protect your brand reputation by using automation to solve the practical issues of enforcing sender authentication (DMARC, DKIM and SPF) with Symantec Email Fraud Protection.

Secure, enterprise-style email, calendar & collaboration without the high cost. Kerio Connect delivers all the features and functionality for collaboration and messaging solution without the complexity and high price tag of other systems. Email is integrated with shared calendars and scheduling, contacts management, tasks, notes, shared and public folders, and instant messaging. Synchronize messages by direct push to your choice of mobile device via Microsoft ActiveSync. Instant Messaging is XMPP-compatible and can be used from various 3rd party chat/IM applications on desktop and mobile phones. You can install Kerio Connect in 10 minutes and users can be up and running in just 10 minutes more. Kerio Connect can be deployed on-premises or in partner-hosted cloud environments. Deploy for users on Mac, Windows, or Linux; plus full support for Outlook (Windows and Mac) and many other IMAP or POP compliant email clients.

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.

Document management professionals turn to DocsCorp when they are looking for easy-to-use software that empowers them to work safer and smarter. We are a global brand with more than 500,000 users in over 65 countries. Our product portfolio is a list of must-have technologies that include document creation, email recipient checking, metadata cleaning, document comparison, PDF creation, and image file conversion to PDF, which can be accessed on the desktop, server or cloud. Our products integrate out-of-the-box with leading enterprise content management systems to streamline processes and to drive business efficiency. We offer organizations a combination of on-premises and cloud integrations. We work with industries that are document-centric to help them manage their most critical asset - documents. This includes Government Departments, Legal Services, Financial Services, and Technology companies.

The Accellion secure content communication platform prevents data breaches and compliance violations from third party cyber risk. CIOs and CISOs rely on the Accellion platform for complete visibility, compliance and control over the communication of IP, PII, PHI, and other sensitive content across all third-party communication channels, including email, file sharing, mobile, enterprise apps, web portals, SFTP, and automated inter-business workflows. When users click the Accellion button, they know it’s the safe, secure way to share sensitive information with the outside world. With on-premise, private cloud, hybrid and FedRAMP deployment options, the Accellion platform provides the security and governance CISOs need to protect their organizations, mitigate risk, and adhere to rigorous compliance regulations such as NIST 800-171, HIPAA, SOX, GDPR, GLBA, FISMA, and others. Accellion solutions have protected more than 25 million end users at more than 3,000 companies.

CB Exchange Server Sync is the solution for secure synchronization and migration of data between Exchange Servers. It enables easy synchronization of multiple Outlook accounts hosted in Exchange Server or Office 365. Fully customizable to your business needs. It can be used as one-way or two-way synchronization of calendars, emails, tasks, contacts, and public folders. This solution supports seamless migration of your entire Exchange / Outlook model to Office 365, or other Exchange versions from Exchange 2010 SP1 and all newer ones. Great in combination with: • CB Super Secure Exchange Server, the solution to prevent hackers from using Exchange Server as entry point to a secure network. • Exchange/ Outlook Content Censor, access your Exchange account outside the company without exposing sensitive information. You can control what to restrict such as: attachments, address, signatures, names, documents and more.

Protect your organization from accidental data breaches with VIPRE SafeSend, the ultimate safeguard for Microsoft Outlook. SafeSend prompts users to confirm external recipients and attachments before sending emails, reducing the risk of misaddressed messages. Unlike traditional Data Loss Prevention (DLP) solutions that simply block emails after they’re sent—adding strain to already overstretched security teams—SafeSend proactively empowers employees to recognize and prevent mistakes in real time. It also scans outgoing emails and attachments to ensure sensitive data stays within your network. Over time, users develop better email habits, enhancing your organization’s security posture. Choose from two tailored packages: one focused on preventing misaddressed emails and another designed to meet comprehensive DLP requirements. With VIPRE SafeSend, you’re not just protecting data—you’re building a smarter, more security-conscious workforce.

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

Protect your business from disruption, financial loss and reputational damage. Libraesva Email Security stops known and emerging email threats from reaching their target, so you only receive legitimate messages. It provides exceptional email security by integrating cloud email and a secure email gateway with Libraesva’s unique Adaptive Trust Engine that uses AI to learn the usual patterns of behavior for organizations and individuals, continuously assessing the strength of business-to-business trust and proactively holding anomalous traffic. Libraesva Email Security scans and filters all inbound and outbound emails for advanced malware, phishing, business email compromise, spam and more. Proprietary sandboxing technology removes dangerous payloads and active content from attachments, and you can protect users from visiting unsafe sites with active URL analysis that checks every link.

EmailAuth® is a TIER 1 OEM and a market leader in Email Authentication. Available 100% on-premise, or in-country cloud (local cloud) or on AWS/AZURE/GCP globally - We make it easy to unleash the power of email authentication. It is an anti-spoofing, anti-impersonation, and anti-phishing platform that ensures that no one can abuse your domains online. If anyone in the world spoofs your domains, EmailAuth collates data from all across the world to ensure that even a single unauthorized email is caught and rejected by global recipients of the world. It even extracts the IP of the sender, so this threat intelligence can be used to block the attacker across your cyber security fabric (SOAR capable). #StopGettingPhished #BeSpoofProof

Keep your email infrastructure and users safe— whether on-premises or in the cloud. Identify and mitigate advanced email threats—including ransomware, business email compromise (BEC), and phishing—with Trellix Email Security. You’ll get leading detection and response capabilities to build a trusted, resilient email environment. Identify current threats quickly and accurately with prioritized alerts to help analysts take immediate action. Keep your email safe—whether it’s hosted on-premises or in the cloud—with leading sandbox technology, AI, and machine learning. Connect with as many as 650 Trellix solutions and third-party products to deliver insights and create a unified, living security ecosystem. Minimize the risk of breaches and identify, isolate, and protect against advanced URL and attachment-based attacks with this on-premises solution. Choose Advanced Threat mode to unearth malicious URLs with custom plug-ins, or Full Hygiene mode to reduce impersonation, BEC, and more.