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WildDuck vs Dovecot: catalog facts
WildDuck	Dovecot
Free Free open-source software that you host yourself.	Free Community Edition is free and open source; Dovecot Pro is a paid commercial product.
Linux, Self-hosted	Linux, Self-hosted
Horizontal scaling with no single point of failure Full IMAP4rev1 support with many extensions	Very widely deployed Standards-compliant IMAP and POP3
Needs MongoDB, Redis and separate SMTP components Aimed at large deployments rather than small personal servers	Handles mailbox access only; needs a separate MTA for sending Configuration takes mail server experience
Self-hosted	Self-hosted
Open source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.