[clug-talk] Sendmail Question

timmy tim at timmy.ws
Fri Nov 19 17:37:15 PST 2004

Does anyone know how to change the envelope sender address in sendmail?

i.e, when the system sends an email to root, or whoever is setup to receive the system messages, the sender address is as such:

root at host.domain.com

This causes a problem, as most of the time, 'host.domain.com' might not be a valid dns host, so basic sendmail checking would bounce the 
message back stating:


Action: failed
Status: 5.1.8
Diagnostic-Code: SMTP; 553 5.1.8 <root at host.domain.com>... Domain of sender address root at host.domain.com does not exist
Last-Attempt-Date: Fri, 19 Nov 2004 18:15:12 -0700


I'd need the email to come from root at domain.com, or just take the easy way out and add a dns record for 'host.domain.com'. I'd prefer 
the former, as I don't have easy access to the dns configuration.



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