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What Is GitHub and How Is It Used for Open-Source Projects?: GitHub is a web platform for hosting Git repositories and collaborating on code. For open-source projects like mailcow, it serves…
What Is Dovecot and What Role Does It Play in a Mail Server?: Dovecot is the IMAP and POP3 server in a mail stack: it stores users' mail in mailboxes and serves that mail to mail clients, and…
What Is Postfix and What Role Does It Play in a Mail Server?: Postfix is the SMTP server (Mail Transfer Agent, or MTA) in a mail stack: it accepts mail from the internet or from your own user…
What Is mailcow and What Does It Include?: mailcow is a Docker-based mail server suite that bundles the full stack you'd otherwise assemble by hand — Postfix for SMTP, Dove…
How to Troubleshoot Common Docker Build and Container Startup Errors: When a Docker build fails or a container exits immediately, the fix usually starts with reading the error correctly. Docker separ…