https://first2host.co.uk/blog/install-exim-email-and-dovecot-on-ubuntu-and-debian-servers/ Options
We are going to explain to it to authenticate using a individual file that contains the usernames and passwordsIf this works you already know the firewall isn't the challenge. So we will dig deeper. Install tcptraceroute and trace the route to a mail server or even the a person While using the connection timed out mistake.This information is an in