[clue-tech] Question for sendmail folks regarding bitbucketing
email to certain accounts
David Anselmi
anselmi at anselmi.us
Sun Feb 27 20:54:04 MST 2005
Chris Schock wrote:
> I get a lot of spam sent to info at xxx.xxx domains for which I host. There
> is no corresponding user for that address, so my mailer tries to send out
> a failure notification.
Wow. This is amazingly broken. Why on earth does your MTA accept mail
to a non-existent user and then try to send a bounce? The correct
behavior is to reject the message at SMTP time (a 550 error IIRC). Then
it's the sending MTA's job to handle the non-delivery.
That's how exim handles it (default Debian config) and I don't have your
problem.
Do you have the O'Reilly bat book?
Dave
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