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Old 07-13-2004, 04:08 PM   #1
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Registered: Jul 2004
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(SENDMAIL) all undeliverable mail routed to Postmaster

I am currently hosting a few domains on a redhat box and everything is running great, except for one puzzling issue. I can't figure out how to allow invalid emails to be delivered to the sender instead of them coming back to me, the postmaster. I am running Sendmail as the mail server. here is an example:

User with email address:

sends a email to an invalid email address like:

Being that I have the postmaster mail account I get a mail message that come backs to as a undelieverable mail message from the email address:

for starters shouldn't it come from ""? Second, how do I allow these messages to go back to the sender instead of the postmaster?


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