mailcow vs Mailu
Two Docker mail server suites: mailcow's larger stack with SOGo groupware and ActiveSync against Mailu's leaner MIT-licensed images with Kubernetes guides, compared on RAM needs, features, support options and upgrades.
Self-hosted email servers
Comparisons of self-hosted mail server stacks, from dockerized suites such as mailcow and Mailu to Stalwart and Mail-in-a-Box, judged on components, licensing and operating effort.
mailcow vs Mail-in-a-Box
A configurable multi-domain suite against a no-options appliance for one Ubuntu machine: who each is built for, DNS handling, groupware, resource needs and why organizations rarely pick Mail-in-a-Box.
mailcow vs Stalwart
A container stack of Postfix, Dovecot and Rspamd against a single Rust server with JMAP, built-in spam filtering and pluggable storage: footprint, clustering, licensing and published Enterprise prices.
Stalwart vs Postfix and Dovecot
Replacing the classic Postfix and Dovecot pairing with one Rust server: protocols covered, storage and clustering options, what Dovecot 2.4 removed from its free edition, and the migration and skills questions for mail teams.
Stalwart Community vs Enterprise
What the free AGPL Community edition covers, what the Enterprise license key unlocks, the published per-mailbox prices by tier, the 25-mailbox minimum and when Premium Support is included.
