Raised mail server three components - postfix for SMTP, dovecot for POP3 and IMAP, MySQL, and MariaDB for the database. But Dovecot refused to start, but SMTP does not want to send the letter, giving error:DOVECOT also gives error:administrator@DESKTOP-VLF5FL3:~$ sudo service dovecot restart
* Restarting IMAP/POP3 mail ser...