Postfix vs. Sendmail Comparison


Postfix 5.0 out of 5 stars	Sendmail Proofpoint	+	+
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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 The sendmail Sentrion platform is specifically designed for large, complex environments, but we make a subset of that solution available as an open-source offering. Sentrion is not for everyone, but if you are using open source email for a large complex environment and need an enterprise platform that will enable your messaging roadmap for years to come (virtualization, consolidation, cloud migration, etc.). The Domain Keys Identified Mail (DKIM) Internet standard enables email senders to digitally sign their messages so that receivers can verify that those messages have not been forged. The DKIM sender authentication scheme allows the recipient of a message to confirm a message originated with the sender’s domain and that the message content has not been altered. A cryptography-based solution, DKIM provides businesses an industry-standard method for mitigating email fraud and protecting an organization’s brand and reputation at a relatively low implementation cost.
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 Not Supported Mac Not Supported Linux Not Supported Cloud 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 Individuals and companies seeking a platform to optimize their email security and protection
Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported	Support Phone Support Supported 24/7 Live Support Not Supported Online 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 No information available. Free Version Not Supported Free Trial 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 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software
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.
Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported	Training Documentation Supported Webinars Supported Live Online Supported In Person Supported
Company Information Postfix United States www.postfix.org/features.html	Company Information Proofpoint Founded: 2002 United States www.proofpoint.com/us/products/email-protection/open-source-email-solution
Alternatives Apache James The Apache Software Foundation	Alternatives Dovecot
Dovecot	MailerQ
Exim	qmail
Postfix AXSMarine	ProDMARC PROGIST
Rspamd View All	SMTP Senpai MailSenpai View All
Categories SMTP Supported	Categories SMTP Supported

Integrations IBM Cloud Supported MailArchiva Supported Raptor Email Security Supported Rspamd Supported Amazon Web Services (AWS) Not Supported Azure Marketplace Supported CrowdStrike Falcon Not Supported CyberArk Conjur Not Supported ISPConfig Supported Imperva Advanced Bot Protection Not Supported Microsoft Exchange Supported Migrateq Supported Netdata Supported Okta Not Supported Palo Alto Networks AutoFocus Not Supported SailPoint Not Supported Splunk Cloud Platform Not Supported VHCS Supported Zscaler Not Supported Show More Integrations View All 12 Integrations	Integrations IBM Cloud Supported MailArchiva Supported Raptor Email Security Supported Rspamd Supported Amazon Web Services (AWS) Supported Azure Marketplace Not Supported CrowdStrike Falcon Supported CyberArk Conjur Supported ISPConfig Not Supported Imperva Advanced Bot Protection Supported Microsoft Exchange Not Supported Migrateq Not Supported Netdata Not Supported Okta Supported Palo Alto Networks AutoFocus Supported SailPoint Supported Splunk Cloud Platform Supported VHCS Not Supported Zscaler Supported Show More Integrations View All 15 Integrations
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