Send Mail Errors

1. CNAME lookup failed temporarily. (#4.4.3) –

This means that the mail router cannot find the correct information for the
therapservices.net domain. This is a mail routing problem. Please consult to the people who manage the mail server.

It sometimes happen with Qmail. so may be something to do with Qmail being unable to handle oversized DNS query responses. Some time upgrading Qmail version fix the problem.

2. Domain of sender address does not resolve

This simply refer that your mail server cannot talk with your specified name server to resolve the domain name. Verify your DNS settings.

3. Local configuration error mail.test.com. config error: mail loops back to me (MX problem?)

This refer to someone update or change your dns mx record entry for your mail server and the ip is not valid.

dig -t mx mail.therapbd.com

verify with this command.

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