Proxmox Mail Gateway
Protect mail server against spam, viruses and malware with Proxmox Mail Gateway security for businesses, government, education and non-profit organizations.
Some of the top features or benefits of Proxmox Mail Gateway are: Open Source, Cost-Effective, High-Quality Spam Detection, Comprehensive Security, Flexible Deployment, User-Friendly Interface, and Active Community and Support. You can visit the info page to learn more.
Best Proxmox Mail Gateway Alternatives & Competitors in 2025
The best Proxmox Mail Gateway alternatives based on verified products, community votes, reviews and other factors.
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Open-Source Alternatives.
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/rspamd-alternativesRspamd is an advanced spam filtering system that allows evaluation of messages by a number of rules...
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/spamassassin-alternativesUse this program to "Unspam" your mailbox(es).
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Try for freeEnsure healthy website performance, uptime, and free from vulnerabilities. Automatic checks for SSL Certificates, domains and monitor issues with your websites all from one console and get instant notifications on any issues.
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/mailscanner-alternativesMailScanner is a open source email security system design for Linux-based email gateways.
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/scrollout-f1-alternativesScrollout is a free and easy to use anti-spam email gateway designed for Linux & Windows administrators without advanced email security experience.
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/zimbra-alternativesZimbra is trusted by over 500 million users to increase productivity with a complete set of collaboration tools while maintaining total control over security and privacy.
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/mailcow-alternativesAn open source mailserver suite.
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/oikik-antispam-alternatives
Oikik is a cloud-based email filtering service that works with your existing email service.
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/iredmail-alternativesA fully fledged, free email server solution, an open source project (GPL v2).
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/broadcom-email-security-alternativesAnti-spam gateway blocks more than 99% of spam with less than one in 1 million false positives and...
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/postfix-alternativesPostfix is a mail transfer agent (MTA) that routes and delivers electronic mail.
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/fortimail-alternativesFortinet Email security is designed to block ransomware, phishing, and other cyber threats seeking entry via incoming email and outgoing messages don’t improperly leak sensitive data.
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/spamtitan-alternativesComprehensive Email Protection. 99.99% Spam Detection. Blocks phishing, viruses, malware and other email threats.
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/roundcube-alternativesWeb-based IMAP email client
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