Ubuntu 26.04

Mail Server : Install Dovecot2026/06/08

 

Install Dovecot to configure POP/IMAP server. POP uses [110/TCP], IMAP uses [143/TCP].

[1] This example shows to configure to provide SASL function to Postfix.
root@mail:~#
apt -y install dovecot-core dovecot-pop3d dovecot-imapd
root@mail:~#
vi /etc/dovecot/dovecot.conf
# line 30 : uncomment

listen = *, ::
root@mail:~#
vi /etc/dovecot/conf.d/10-auth.conf
# line 10 : uncomment

auth_allow_cleartext = yes
# line 93 : uncomment

auth_mechanisms = plain login
root@mail:~#
vi /etc/dovecot/conf.d/10-mail.conf
# line 36-39 : comment out and add lines (change to Maildir)
#mail_driver = mbox
#mail_home = /home/%{user|username}
#mail_path = %{home}/mail
#mail_inbox_path = /var/mail/%{user}
mail_driver = maildir
mail_path = ~/Maildir

root@mail:~#
vi /etc/dovecot/conf.d/10-master.conf
# line 110-112 : uncomment and add

  # Postfix smtp-auth
  unix_listener /var/spool/postfix/private/auth {
    mode = 0666
    user = postfix
    group = postfix
  }

root@mail:~#
systemctl restart dovecot

[2] If UFW is enabled, allow POP/IMAP servies.
root@mail:~#
ufw allow pop3

root@mail:~#
ufw allow imap2

Rule added
Rule added (v6)
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