configuring sendmail to reject spoofed email addresses

Ed Wilts ewilts at ewilts.org
Tue Jul 20 13:44:43 UTC 2004


On Tue, Jul 20, 2004 at 07:25:34AM -0500, Donald Tyler wrote:
> Is there anyway to configure sendmail so that if there is an email address
> in the "From" section, and it does not match the "Return-Path" section, for
> it to reject the email?

If I would have configured my system this way, your e-mail would have
been rejected.

You may want to run a report of all your e-mails and compare the From
address with the Return-Path address and see what you would have
rejected.

-- 
Ed Wilts, RHCE
Mounds View, MN, USA
mailto:ewilts at ewilts.org
Member #1, Red Hat Community Ambassador Program





More information about the redhat-list mailing list