Everything was worked fine but someday sendmail stop working on me.
I’am trying the following command line:
echo "Body text" | mail -s "Some subject" [email protected]
/home/<username>/dead.letter... Saved message in /home/<username>/dead.letter Can't send mail: sendmail process failed with error code 67
How to fix that?
Your local MTA thinks that mail for whatever domain you tried to send to should be sent to the local machine, but there is no user with that username on the local machine. Ensure that the server’s hostname is not the same as the domain name you are trying to deliver to, and that sendmail is not configured to deliver mail for that domain locally.
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