How to configure Postfix to send emails to the local domain?

Question

System administration

Hello!
I have a postfix+dovecot mail server. And there is an old mail server from which I am slowly dragging everyone to a new one. Addresses on the old mail server look like [email protected] (all addresses are only local), users are used to sending letters to abbreviated addresses like [email protected]
From the new server, you can send to full addresses like [email protected] But when you write the address [email protected], Postfix considers it incomplete and automatically adds it to the form [email protected] and the letter does not reach.
How do I tell Postfix to send emails to a given domain "as is"?

Answer 1

Perhaps it will work if you write aliases for existing accounts.
In /etc/aliases add an entry like:
[email protected]: [email protected]
Restart the postfix server via /etc/init.d/postfix/restart or update the information about aliases with the postmap /etc/postfix/virtual command.

Answer 2

Disconnect all connectors and reconnect. It will not help to try to throw in a known working power supply. By the way, do you have emergency food?

Answer 3

Check your network connection