engarde-users July 2002 archive
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engarde-users: [EnGarde] Re: Postfix - rejecting spoofed mail fr

[EnGarde] Re: Postfix - rejecting spoofed mail from:

From: Jared Raddigan <jraddigan_at_nospam>
Date: Mon Jul 08 2002 - 18:35:50 GMT
To: <engarde-users@engardelinux.org>

What it sounded like to me is the spammer is connecting to his box and using one of his user's names. Because he is sending his spam using one of his true users, his box does not think it's an illegal relay. Now if he ran pop before smtp, the spammer using his name would not be able to send unless he was first authenticated with pop meaning he would have to know the pop users password. I believe that should fix his problem and still allow the most flexibility out of postfix, but hey I could be wrong.

Jared

> -----Original Message-----
> From: engarde-users-bounce@engardelinux.org
> [mailto:engarde-users-bounce@engardelinux.org]On Behalf Of
> Larry Nguyen
> Sent: Monday, July 08, 2002 9:35 AM
> To: engarde-users@engardelinux.org
> Subject: [EnGarde] Re: Postfix - rejecting spoofed mail from:
>
>
>
> Jared Raddigan wrote:
>
> >I would try pop before smtp. That way if anybody was going
> to send out from
> >your box they would first have to be verified to have a pop
> account, givin
> >you some type of security. Check www.postfix.org, there are
> a few howto's
> >and add on's there.
> >
> >
>
> Jared,
>
> I don't think the email was sent from local box. If spammer
> is able to
> connect to your box, use your email address to send out
> email......that's not the case here. Or, maybe I'm on drug ?
>
> -Larry
>
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