Rails, Ubuntu

Difference Between Postfix and Dovecot

There are two parts when it comes to dealing with mails:

  1. Mail transfer
  2. Mail deliver

On a very simple level,

  • Postfix (MTA, Mail Transfer Agent) transfers mails from your server to other servers, on SMTP Protocol (Simple Mail Transfer Protocol).
  • Dovecot (MDA, Mail Deliver Agent) delivers mails from your server to Thunderbird (MUA, Mail User Agent), on IMAP (Internet Message Access Protocol) or POP3 Protocol (Post Office Protocol 3).




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