Date: Tue, 9 Sep 2008 01:26:40 -0700 (PDT) From: lyd mc <alydiomc@yahoo.com> To: freebsd-questions@freebsd.org Subject: Sendmail check FROM: header Message-ID: <796649.99425.qm@web52211.mail.re2.yahoo.com>
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Hi guys, How do i check valid sender before sending mail? example:=20 =A0 =A0 FROM: anonymous@mydomain.com if this 'anonymous' user is not on localhost the mail should be rejected ev= en if the user has valid login (user and password). my sendmail uses login/plain before relaying. however they can still send m= ail even the FROM: header is not their name. I don't want this to happen. Need your help guys. Thnx. alydio =0A=0A=0A
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