Dovecot¶

sudo apt install dovecot-core dovecot-imapd dovecot-pop3d

sudo nano /etc/dovecot/dovecot.conf

!include conf.d/*.conf
!include conf.d/*.conf.ext
protocols = imap pop3 lmtp
listen = *, ::
base_dir = /var/run/dovecot/
instance_name = dovecot

sudo nano /etc/dovecot/conf.d/10-mail.conf

mail_location = maildir:/var/mail/vhosts/%d/%n
mail_privileged_group = mail
mail_access_groups = vmail
mail_uid = vmail
mail_gid = vmail
first_valid_uid = 0
last_valid_uid = 0

sudo nano /etc/dovecot/conf.d/10-auth.conf

disable_plaintext_auth = yes
auth_mechanisms = plain login
!include auth-passwdfile.conf.ext
!include auth-static.conf.ext

sudo nano /etc/dovecot/conf.d/10-ssl.conf

ssl = required
ssl_cert = </etc/ssl/certs/dovecot.pem
ssl_key = </etc/ssl/private/dovecot.key
ssl_protocols = !SSLv3 !TLSv1 !TLSv1.1

sudo systemctl restart dovecot
sudo systemctl enable dovecot