Postfix vs. hMailServer Comparison


Postfix 5.0 out of 5 stars	hMailServer 4.0 out of 5 stars	+	+
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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. 4.5 out of 5 stars 554 Ratings Visit Website for Google Cloud SQL Proton Mail 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. 4.6 out of 5 stars 108,634 Ratings Visit Website for Proton Mail JS7 JobScheduler 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. 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About What is Postfix? It is Wietse Venema's mail server that started life at IBM research as an alternative to the widely-used Sendmail program. Now at Google, Wietse continues to support Postfix. Postfix runs (or has run) on AIX, BSD, HP-UX, IRIX, LINUX, MacOS X, Solaris, Tru64 UNIX, and other UNIX systems. It requires ANSI C, a POSIX.1 library, and BSD sockets. Postfix attempts to be fast, easy to administer, and secure. The outside has a definite Sendmail-ish flavor, but the inside is completely different. Multiple SMTP deliveries over the same TLS-encrypted connection. This reuses the existing tlsproxy(8) and scache(8) services. MySQL stored procedure support. Gradual degradation: in many cases a Postfix daemon will log a warning and continue providing the services that are still available, instead of immediately terminating with a fatal error. Postfix can set the execute bit on a queue file. If this does not work, then no mail will ever be delivered.	About hMailServer is a free, open source, e-mail server for Microsoft Windows. It's used by Internet service providers, companies, governments, schools and enthusiasts in all parts of the world. It supports the common e-mail protocols (IMAP, SMTP and POP3) and can easily be integrated with many existing web mail systems. It has flexible score-based spam protection and can attach to your virus scanner to scan all incoming and outgoing email.
Platforms Supported Windows Not Supported Mac Supported Linux Supported Cloud Not Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported	Platforms Supported Windows Supported Mac Not Supported Linux Not Supported Cloud Not Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience Anyone interested in a mail server solution to manage, administer, and secure emails	Audience Users interested in a free and open source email server for Windows
Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported	Support Phone Support Not Supported 24/7 Live Support Not Supported Online Not Supported
API Offers API Not Supported	API Offers API Not Supported
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing No information available. Free Version Not Supported Free Trial Not Supported	Pricing Free Open source Free Version Supported Free Trial Not Supported
Reviews/Ratings Overall 5.0 / 5 ease 5.0 / 5 features 5.0 / 5 design 5.0 / 5 support 5.0 / 5 Read all reviews	Reviews/Ratings Overall 4.0 / 5 ease 5.0 / 5 features 4.0 / 5 design 4.0 / 5 support 3.0 / 5 Read all reviews
Pros & Cons from Real Users Pros 1. Easy to deploy. 2. Easy to customize at an intense level. 3. Easy to integrate with DKIM and DMARC. 4. Various workaround available. 5. Lightweight to operate. Cons Sometimes troubleshooting deliveries can be troublesome. Integration with Social media like LinkedIn and Facebook inside Postfix is not possible yet.	Pros & Cons from Real Users Pros GUI configuration is very important. This simplifies a lot of things. It has an installer and well documented. Cons Windows only. hMailServer is no longer being actively developed. The latest major version was released several years ago and since then only critical updates have been released. hMailServer relies on algorithms which are considered insecure by modern standards, such as SHA1.
Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported	Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported
Company Information Postfix United States www.postfix.org/features.html	Company Information hMailServer Founded: 2002 www.hmailserver.com
Alternatives Apache James The Apache Software Foundation	Alternatives MailEnable
Dovecot	MDaemon Email Server MDaemon Technologies 4.9 out of 5 stars
Exim	Mailu
Postfix AXSMarine	Zentyal
Rspamd View All	Mail-in-a-Box View All
Categories SMTP Supported	Categories Mail Servers Supported

Integrations Azure Marketplace Supported AWS Marketplace Not Supported IBM Cloud Supported ISPConfig Supported MailArchiva Supported MailRoute Supported Microsoft Exchange Supported Migrateq Supported MySQL Supported Netdata Supported Raptor Email Security Supported Roundcube Not Supported Rspamd Supported SquirrelMail Not Supported VHCS Supported Show More Integrations View All 12 Integrations	Integrations Azure Marketplace Supported AWS Marketplace Supported IBM Cloud Not Supported ISPConfig Not Supported MailArchiva Not Supported MailRoute Not Supported Microsoft Exchange Not Supported Migrateq Not Supported MySQL Not Supported Netdata Not Supported Raptor Email Security Not Supported Roundcube Supported Rspamd Not Supported SquirrelMail Supported VHCS Not Supported Show More Integrations View All 4 Integrations
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