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<DIV>Another useful tool for this is called mailfromd. It works very well for this sort of thing, but as others have said, mailling lists will break with this and unfortunately more and more legitimate email senders seem to be using what I call 3rd party pseudo-spam services. <BR></DIV>
<DIV>-Mike</DIV>
<DIV><BR>>>> On 5/19/2010 at 7:44 AM, in message <4bf3dd35.1d588c0a.0479.ffffc7b7@mx.google.com>, "Khawaja M. Jawad" <khawaja.jawad@gmail.com> wrote:<BR></DIV>
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<P class=MsoNormal><o:p> </o:p></P>
<P class=MsoNormal><o:p> </o:p></P>
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<P class=MsoNormal>Hello All,<o:p></o:p></P>
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<P class=MsoNormal>A lots of my customer are sending email from some <A href="mailto:abc@invalid-domain.com">abc@invalid-domain.com</A> and they configure Reply-To address to their actual address i.e. <A href="mailto:abc@valid-domain.com">abc@valid-domain.com</A> <o:p></o:p></P>
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<P class=MsoNormal>How can I stop such email in which source email address and reply-to email address are not same. <o:p></o:p></P>
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<P class=MsoNormal>Thanks<o:p></o:p></P>
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