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Head-to-head · Mail Server Software

Apache James vs mailcow

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Apache James #4 in Mail Server Software 8.8/10 Free plan Free plan✓ 3 of 5 features Visit Apache James
mailcow #7 in Mail Server Software 8.5/10 Free plan Free plan✓ 0 of 5 features Visit mailcow

Apache James leads on 0 checks, mailcow on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreApache James · 8.8/10
  • Free planboth
  • Most featuresApache James · 3 of 5

Apache James scores higher on our rubric for mail server software: 8.8 against 8.5 out of 10; our editors rank them #4 and #7.

Apache James is the better fit for open-source, scalable mail infrastructure. mailcow is the better fit for docker-based mail and groupware deployments.

  • Apache James fits best

    Open-source, scalable mail infrastructure

  • mailcow fits best

    Docker-based mail and groupware deployments

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Apache James 8.8/10 Visit ↗ mailcow 8.5/10 Visit ↗
At a glance
Editor score 8.8 8.5
Ranking #4 in Mail Server Software #7 in Mail Server Software
Best for Open-source, scalable mail infrastructure Docker-based mail and groupware deployments
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Self-hosted Self-hosted, Cloud
Platforms Linux, Windows Web, Linux
Support Community, Docs Community, Docs, Email
Integrations 10 integrations 5 integrations
Built for Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Apache James 3/5 · mailcow 0/5
Webmail interface Not checked yet Not checked yet
IMAP/POP3 access ✓ (best) Not checked yet
Mobile sync Not checked yet Not checked yet
Antispam tools ✓ (best) Not checked yet
High availability ✓ (best) Not checked yet
Specs
License model Open-source Not checked yet
Mailbox limit Not checked yet Not checked yet
Our review
Pros
  • Supports SMTP, LMTP, POP3, IMAP, JMAP, and ManageSieve
  • Offers configurable storage integrations, including Cassandra and PostgreSQL
  • Includes antispam, TLS, REST, JMX, and command-line administration
  • Includes Dovecot, SOGo, Rspamd, ClamAV and MariaDB components
  • Supports TOTP, YubiKey OTP and WebAuthn two-factor authentication
  • Provides mailbox migration tools and configurable message limits
Cons
  • JMAP and ManageSieve are experimental
  • Requires self-hosted infrastructure rather than offering hosted mailboxes
  • Customization and multi-node deployment may require specialist administration
  • Requires self-hosted infrastructure and administrator-managed operations
  • Its platform model is limited to self-hosted deployments
  • The component-rich stack requires familiarity with mail infrastructure
Our verdict

Apache James is an open-source, JVM-based mail server and mail application platform for teams building self-hosted email infrastructure. It supports core mail protocols including SMTP, LMTP, POP3, and IMAP, alongside experimental JMAP and…

Read the review →

mailcow: dockerized is an open-source email and groupware suite packaged with Docker. It is intended for individuals, small businesses and organizations that want to manage their own email infrastructure rather than subscribe to a…

Read the review →
  1. Apache JamesMail Server Software 8.8Free plan
  2. mailcowMail Server Software 8.5Free plan

Strengths and trade-offs

  • Apache James — where it wins

    • Supports SMTP, LMTP, POP3, IMAP, JMAP, and ManageSieve
    • Offers configurable storage integrations, including Cassandra and PostgreSQL
    • Includes antispam, TLS, REST, JMX, and command-line administration

    Where it doesn't

    • JMAP and ManageSieve are experimental
    • Requires self-hosted infrastructure rather than offering hosted mailboxes
    • Customization and multi-node deployment may require specialist administration

  • mailcow — where it wins

    • Includes Dovecot, SOGo, Rspamd, ClamAV and MariaDB components
    • Supports TOTP, YubiKey OTP and WebAuthn two-factor authentication
    • Provides mailbox migration tools and configurable message limits

    Where it doesn't

    • Requires self-hosted infrastructure and administrator-managed operations
    • Its platform model is limited to self-hosted deployments
    • The component-rich stack requires familiarity with mail infrastructure

More comparisons

All mail server software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update