Dovecot POP¶

sudo nano /etc/dovecot/conf.d/20-pop3.conf

protocol pop3 {
  mail_plugins = $mail_plugins
  pop3_client_limit = 1000
  pop3_no_flag_updates = no
  pop3_enable_last = yes
  pop3_uidl_format = %08Xu%08Xv
  pop3_logout_format = top=%t/%p, retr=%r/%b, del=%d/%m, size=%s
}

protocol pop3 {
  pop3_uidl_format = %f
  pop3_save_uidl = yes
  pop3_reuse_xuidl = no
  pop3_lock_session = yes
}

sudo systemctl restart dovecot