Fedora 31
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Mail Server : Install Dovecot
2019/11/21
 
Install Dovecot to configure POP/IMAP Server.
[1] Install Dovecot.
[root@mail ~]#
dnf -y install dovecot
[2] This example shows to configure to provide SASL function to Postfix.
[root@mail ~]#
vi /etc/dovecot/dovecot.conf
# line 30: uncomment (if not use IPv6, remove [::])

listen = *, ::
[root@mail ~]#
vi /etc/dovecot/conf.d/10-auth.conf
# line 10: uncomment and change (allow plain text auth)

disable_plaintext_auth =
no
# line 100: add

auth_mechanisms = plain
login
[root@mail ~]#
vi /etc/dovecot/conf.d/10-mail.conf
# line 30: uncomment and add

mail_location =
maildir:~/Maildir
[root@mail ~]#
vi /etc/dovecot/conf.d/10-master.conf
# line 107-109: uncomment and add like follows

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

[root@mail ~]#
vi /etc/dovecot/conf.d/10-ssl.conf
# line 8: change (not require SSL)

ssl =
yes
[root@mail ~]#
systemctl enable --now dovecot

[3] If Firewalld is running, allow POP/IMAP service. POP uses [110/TCP], IMAP uses [143/TCP].
[root@mail ~]#
firewall-cmd --add-service={pop3,imap} --permanent

success
[root@mail ~]#
firewall-cmd --reload

success
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