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how to do outgoing mail only to a specific domain

i m using sendmail-8.13.8-2.el5 along with MailScanner-4.79.11-1

i want to set a rule so that user1@mydomain.com can send only to anotherdomain.com domain. sending mail to any other domain will be rejected. can it be done by sendmail or MailScanner ??

Quote:

Originally Posted by orko (Post 4035026)

I believe the answer is yes sendmail can be conf'd to do that.

Now I suppose you want to know how ... :).
Can't do that but this might help:
http://www.sendmail.org/~ca/email/restrict.html
Also, Google is our friend:
http://www.google.com/#hl=en&source=...d9c86769d1bf04