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Dovecot

Secure, high-performance IMAP and POP3 server

Mail Servers ★ 1.2k stars Hard setup MIT

Dovecot is an open-source IMAP and POP3 server for Linux and Unix systems, written with security as a primary goal. It is the mailbox-access component of most self-hosted mail stacks.

Key features

  • High-performance IMAP/POP3
  • Sieve filtering support
  • Flexible mailbox storage formats
  • Strong security focus

Pros & cons

Strengths

  • Very efficient and reliable
  • Industry standard

Trade-offs

  • Configuration is complex
  • Mailbox access only

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