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Hello,
I have mail server with my domain name, and I have
a username on that server, who has subscribed to a mailing list, so now
he receives lots of email from them, and there is no way to get
unsubscribed.
The point is that he not only does not want to
receive this emails, but also he wants this Emails to be bounced to them again,
to postmaster of sender's server, as returned email, as if it was the USER
IS UNKNOWN, so they can see that he did not receive these emails
form them.
otherwise he has to pay them definite amount of
money for each email he has got from them.
the sender domain is sender.com, the receiver
username is username@xxxxxxxxxxxx.
The question is how to do it on my RH9 mail
server?
The sendmail version is
sendmail-8.12.8-4.
Thanks in advance
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