Software Alternatives & Reviews

Proxmox Mail Gateway

Protect mail server against spam, viruses and malware with Proxmox Mail Gateway security for businesses, government, education and non-profit organizations.

Top 12 Open-Source Alternatives to Proxmox Mail Gateway

SpamAssassin iRedMail mailcow SpamTitan Roundcube Mail-in-a-box SOGo Exim Nextcloud Calendar Rainloop

Summary

The top open-source alternatives to Proxmox Mail Gateway are SpamAssassin, iRedMail, and mailcow. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.
  1. Use this program to "Unspam" your mailbox(es).
    Pricing:
    • Open Source

    #Email Security #Email #Cyber Security 4 social mentions

  2. A fully fledged, free email server solution, an open source project (GPL v2).
    Pricing:
    • Open Source

    #Email #SMTP Server #Self-hosted Email 2 social mentions

  3. An open source mailserver suite.
    Pricing:
    • Open Source

    #Email #Self-hosted Email #Email Service Provider 82 social mentions

  4. Comprehensive Email Protection. 99.99% Spam Detection. Blocks phishing, viruses, malware and other email threats.
    Pricing:
    • Open Source
    • Free Trial
    • $0.81 / Monthly (Per User)

    #Anti-Spam #Email Security #Email Management

  5. Web-based IMAP email client
    Pricing:
    • Open Source

    #Email #SMTP Server #Email Clients 16 social mentions

  6. Mail-in-a-Box provides webmail and an IMAP/SMTP server for use with mobile devices and desktop mail software and also includes contacts and calendar synchronization.
    Pricing:
    • Open Source

    #Email #Self-hosted Email #Email Service Provider 115 social mentions

  7. 7
    SOGo is groupware server with a focus on scalability and open standards.
    Pricing:
    • Open Source

    #Email #Email Clients #Self-hosted Email 1 social mentions

  8. 8
    Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet.
    Pricing:
    • Open Source

    #SMTP Server #Email #MTA

  9. The Calendar app is a user interface for Nextcloud's CalDAV server.
    Pricing:
    • Open Source

    #Calendar #Appointments and Scheduling #Email 4 social mentions

  10. RainLoop is a web based email client.
    Pricing:
    • Open Source

    #Email #Email Clients #Email Management

  11. 11
    Secure premium email service with mobile sync apps for calendar, contacts, tasks, notes and FISMA compliant email archiving.
    Pricing:
    • Open Source
    • Paid
    • $2.95 / Monthly (25GB)

    #Email #Email Security #Email Archiving 1 social mentions

  12. OPNsense® you next open source firewall. Free Download. High-end Security Made Easy™. Offers Intrusion Prevention, Captive Portal, Traffic Shaping and more.
    Pricing:
    • Open Source

    #Operating Systems #Linux #Perimeter Security And Firewalls 94 social mentions

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