Outlining the Goal for Postfix Mail Server

The end result of following this guide will be a secure mail server for your domain equipped with the following software packages:

  • Postfix: sends and receives mail via the SMTP protocol. It will only relay mail on to other mailservers if the mail is sent by an authenticated user, but anyone can send mail to this server for local delivery.
  • Dovecot: a POP and IMAP server that manages local mail directories and allows users to log in and download their mail. It also handles user authentication.
  • Postgrey: greylists incoming mail, requiring unfamiliar deliverers to wait for a while and then resend. This is one of the better tools for cutting down on spam.
  • amavisd-new: a manager for organizing various antivirus and spam checking content filters.
  • Clam AntiVirus: a virus detection suite.
  • SpamAssassin: for sniffing out spam in emails.
  • Postfix Admin: a web front end for administering mail users and domains.
  • Horde Groupware Webmail Edition: a webmail interface for users.

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