Question 1

Mailcow is free and has more features — why CeyMail?

Accepted Answer

Mailcow is excellent free software with groupware (SOGo) and Rspamd. CeyMail differentiates with AI spam screening (99.2% accuracy), AI log analysis, outbound screening, and commercial support with SLAs. If you need advanced security intelligence and guaranteed support, CeyMail fills gaps Mailcow doesn’t.

Question 2

Does CeyMail require Docker like Mailcow?

Accepted Answer

No. CeyMail installs directly on your server without Docker. This simplifies resource usage, debugging, and server management. One curl command handles everything.

Question 3

Can I migrate from Mailcow to CeyMail?

Accepted Answer

Yes. Both use Dovecot for IMAP storage, so mailboxes can be transferred via imapsync. CeyMail sets up a fresh server, then you import existing mail data.

Question 4

Which has better spam filtering?

Accepted Answer

Mailcow uses Rspamd, which is fast and effective. CeyMail uses SpamAssassin plus AI-powered screening that achieves 99.2% accuracy and includes outbound email screening to protect your IP reputation. The AI layer gives CeyMail an edge for organizations where email security is critical.

CeyMail vs Mailcow

Side by side

Common questions

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