Postfix vs. zdaemon Comparison Chart

Dependable cloud based email hosting with spam filtering, antivirus protection, generous storage and webmail. Compatible with Outlook and all other POP3/IMAP clients. High volume SMTP service for responsible senders. Outbound relay service for transactional messages, email marketing campaigns, newsletters and other applications. Dedicated email servers, clustering and multiple IP load balancing for high volume senders. Fixed monthly cost with unlimited sending and reputation monitoring. Greatmail is an email service provider (ESP) specializing in business class email hosting, SMTP hosting and email servers. For ISPs, application programmers and cloud developers, we also provide custom solutions including dedicated IP servers and process specific, load balanced configurations with multiple servers.

JDisc Discovery is a comprehensive network inventory and IT asset management solution designed to help organizations gain clear, up-to-date visibility into their IT environment. It automatically scans and maps devices across the network, including servers, workstations, virtual machines, and network hardware, to create a detailed inventory of all connected assets. This includes critical information such as hardware configurations, software installations, patch levels, and relationshipots between devices. One of the standout features of JDisc Discovery is its agentless discovery process, meaning it does not require the installation of any software on individual devices, reducing deployment time and minimizing network impact. It supports a wide range of protocols (e.g., SNMP, SSH, WMI) to gather data, making it compatible with diverse IT environments, whether they are Windows, Linux, or Unix-based.

PostScan Mail is a virtual mail and address service that allows individuals and businesses to receive their physical mail in a digital format. With PostScan Mail, users can view and manage their mail online from anywhere in the world. When you sign up for PostScan Mail, you'll be assigned a virtual mailbox address. This address can be used as your mailing address for all of your correspondence. When mail is received at your virtual mailbox address, PostScan Mail will scan the outside of the envelope or package and notify you of its arrival via email. From there, you can log in to your PostScan Mail account to view and manage your mail. You can choose to have the mail opened and scanned, forwarded to a physical address, shredded, or stored for a later date. All of these options can be selected with just a few clicks, making it easy to manage your mail from anywhere in the world.

Click2Mail transforms conventional mail with its online and on-demand, SaaS print-to-mail service. With Click2Mail, users have access to tools that make creating and mailing postcards, brochures, letters, and other print materials fast and easy. Using Click2Mail's free to use Mailing Online Publisher, individuals and organizations can compose, address, and send mailpieces anywhere on the planet without leaving their chair.

Bitdefender Small Business Security delivers enterprise-grade, layered cyber-protection designed specifically for small organizations. It covers Windows, macOS, iOS, and Android devices with centralized, easy-to-use management, so businesses without a dedicated IT staff can deploy and monitor security from one dashboard. Key features include multi-layered endpoint protection (machine learning, behavioral analytics, real-time monitoring, process termination, and rollback) to prevent known and unknown threats. It offers ransomware prevention and mitigation (detecting abnormal encryption attempts and restoring files from backups), fileless attack protection (memory/back-injection interference, script blocking), phishing & fraud prevention (blocking deceptive sites and warning users), and advanced exploit protection (real-time shield of browsers, Office apps, Adobe Reader) for comprehensive endpoint defense.

Florida-based marketing software firm DirectMail2.0 is at the forefront of the direct mail industry with its unique approach to automated omnichannel marketing. By integrating traditional direct mail with digital technologies, DirectMail2.0 has become an indispensable tool for print companies looking to enhance their direct mail campaigns and achieve higher ROI. The DirectMail2.0 omnichannel ecosystem currently includes 15 features proven to lift response and ROI, including Flowcode, email follow up, targeted and geo-fenced digital ads, USPS mail tracking and Informed Delivery, personalized landing pages, de-anonymizing pixel technology, and more — all managed from a single dashboard that also reports real-time campaign results from online and offline campaign components alike. Through this robust omnichannel treatment, DirectMail2.0 users typically see a 25–50% lift in direct mail effectiveness compared to traditional direct mail alone.

Fully managed relational database service for MySQL, PostgreSQL, and SQL Server with rich extension collections, configuration flags, and developer ecosystems. New customers get $300 in free credits to spend on Cloud SQL. You won’t be charged until you upgrade. Reduce maintenance costs with fully managed MySQL, PostgreSQL and SQL Server databases. Ensure business continuity with reliable and secure services backed by 24/7 SRE team. Data encryption at rest and in transit. Private connectivity with Virtual Private Cloud and user-controlled network access with firewall protection. Compliant with SSAE 16, ISO 27001, PCI DSS, and HIPAA. Scale your instances effortlessly with a single API call whether you start with simple testing or you need a highly available database in production. Simplify database operations with AI-powered assistance in Gemini, now in preview on Cloud SQL. It streamlines development, performance optimization, fleet management, governance, and migration.

Proton Mail is the simplest way to protect your communications with built-in end-to-end encryption. Prevent data breaches, stay compliant with regulations like GDPR and HIPAA, and earn client trust. Protected by Swiss privacy laws and trusted by over 50,000 businesses, Proton Mail keeps your business data confidential and under your control. With Proton Mail and Calendar, your team can securely manage their inbox and schedule, while your organization maintains a professional presence with support for custom email domains and personalized branding. And with the Easy Switch tool, migrating from Google or Microsoft is seamless, no IT expertise required.

JS7 JobScheduler is an Open Source workload automation system designed for performance, resilience and security. It provides unlimited performance for parallel execution of jobs and workflows. JS7 offers cross-platform job execution, managed file transfer, complex no-code job dependencies and a real REST API. Platforms - Cloud scheduling from Containers for Docker®, Kubernetes®, OpenShift® etc. - True multi-platform scheduling on premises for Windows®, Linux®, AIX®, Solaris®, macOS® etc. - Hybrid use for cloud and on premises User Interface - Modern, no-code GUI for inventory management, monitoring and control with web browsers - Near real-time information brings immediate visibility of status changes and log output of jobs and workflows - Multi-client capability, role based access management High Availability - Redundancy and Resilience based on asynchronous design and autonomous Agents - Clustering for all JS7 products, automatic fail-over and manual switch-over

Revaly is a Payment Performance Management platform designed to ensure that every legitimate transaction succeeds, protecting the recurring revenue businesses depend on. It uses exclusive issuer signals, network intelligence, and AI-powered optimization to maximize payment approvals across the entire lifecycle. By preventing avoidable failures at the first attempt and intelligently recovering declined payments, Revaly reduces involuntary churn and strengthens customer relationships. The platform continuously analyzes routing errors, behavioral patterns, and ecosystem signals to turn unpredictable payments into predictable revenue. Subscription-based companies rely on Revaly to lift approval rates and compound revenue growth without disrupting their existing billing stack. With over 100 integrations, the system fits seamlessly into current workflows while delivering measurable, long-term financial impact.