Configure Nethserver to receive emails

[Nas (Artem Fedai)]

As for MX record please read this topic:

Can not receive emails from outside

hi i need help with mail server everything working fine except for receiving emails from outside local network "over the internet" i have a registered domain with godaddy and i updated the Arecord of the domain to point out to my server static ip address but whenever i try to send an email to any local email it fails with this this message Google tried to deliver your message, but it was rejected by the server for the recipient domain “mydomain.com” by smtp.secureserver.net.