installing Dovecot on MacOsX using HomeBrew

• master howto: https://trac.macports.org/wiki/howto/SetupDovecot

• Install

  brew install dovecot
  sudo vim /Library/LaunchDaemons/homebrew.mxcl.dovecot.plist

• Configure

  sudo cp /usr/local/etc/dovecot/dovecot-example.conf  /usr/local/etc/dovecot/dovecot.conf
  sudo vim /usr/local/etc/dovecot/dovecot.conf

• Mine reads (it's just meant to access imap files from the local mail server and not to serve outside the localhost):

  disable_plaintext_auth = no
  mail_location = maildir:~/Maildir
  ssl = no
  default_login_user = lup
  passdb {
    args = login
    driver = pam
  }
  protocols = imap
  service auth {
    user = root
  }
  service imap-login {
    inet_listener imap {
      address = 127.0.0.1
      port = 10143
    }
    inet_listener imaps {
      address = 127.0.0.1
      port = 10943
    }
  }
  userdb {
    driver = passwd
  }

• Reload

  sudo launchctl unload homebrew.mxcl.dovecot.plist
  sudo launchctl load homebrew.mxcl.dovecot.plist

• It does not work on the first try... so read documentation

  less /usr/local/share/doc/dovecot/documentation.txt
  less /usr/local/share/doc/dovecot/auth-protocol.txt
  less /usr/local/share/doc/dovecot/wiki/PasswordDatabase.PAM.txt

• Authentification

  ls -l /etc/pam.d/
  sudo vim /etc/pam.d/dovecot

  with /etc/pam.d/dovecot being

  auth       required       pam_permit.so
  account    required       pam_permit.so
  password   required       pam_deny.so
  session    required       pam_uwtmp.so

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