Does it matter that I don't have postmaster whitelisted...is this test still
valid?

Richard Farris
Ethixs Online
1.270.247.5555 Office
1.800.548.3877 Tech Support

----- Original Message ----- 
From: "Darrell ([EMAIL PROTECTED])" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, May 19, 2004 1:44 PM
Subject: RE: [Declude.JunkMail] Whitelisted- getting thru


> Andy,
>
> This works because the action on the "Postmaster" test is ROUTETO back to
the
> postmaster.
>
> How it works
> [1] Lowers the weight of the email by 100 so that the message will not be
held
> or deleted in our system
> [2] Re-routes the message back to the postmaster only if the postmaster
account
> was an actual recipient of that email.
>
> Our policy is that we want to accept any mail destined to the postmaster
or
> abuse account simply because if someone is being blocked by our spam
filtering
> we would like to give them the opportunity to contact us to resolve the
issue.
>
> However, with just whitelisting the postmaster account you open yourself
up to
> allowing spam to your users if the spammer adds the postmaster account to
the
> email.
>
> The solution above mitigates this, because it reroutes the message to the
> postmaster preventing it from going to the user.  The -100 just prevents
it
> from being deleted.
>
> So in the end
> [1] The postmaster gets the mail and the other recipients don't.
>
> Darrell
>
> Quoting Andy Schmidt <[EMAIL PROTECTED]>:
>
> > Darrell:
> >
> > Your technique assigns a weight of -100 to the mail if it contains a
certain
> > email address as the recipient?
> >
> > Once the mail has a weight of -100 (adjusted by any failed tests) - how
does
> > that PREVENT the email from being delivered to all the OTHER recipients?
> >
> > I'm not clear how the effect is different from a whitelist?
> >
> > Best Regards
> > Andy Schmidt
> >
> > H&M Systems Software, Inc.
> > 600 East Crescent Avenue, Suite 203
> > Upper Saddle River, NJ 07458-1846
> >
> > Phone:  +1 201 934-3414 x20 (Business)
> > Fax:    +1 201 934-9206
> >
> > http://www.HM-Software.com/
> >
> >
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED] On Behalf Of Darrell
> > ([EMAIL PROTECTED])
> > Sent: Wednesday, May 19, 2004 12:51 PM
> > To: [EMAIL PROTECTED]
> > Subject: Re: [Declude.JunkMail] Whitelisted- getting thru
> >
> >
> > Richard,
> >
> > This is a common problem especially when dealing with postmaster
account.
> > Most people whitelist postmaster and because spammers know this they
often
> > include a postmaster address because they know the message (even to the
> > other recipients) will be delivered.
> >
> > I posted awhile back on what I do to get around it.  Check out
> > http://www.mail-archive.com/[EMAIL PROTECTED]/msg11041.html
> >
> > Hope this helps!
> > Darrell
> >
> > -----------------------------------------------------
> > Check out http://www.invariantsystems.com for utilities for Declude and
> > Imail.
> >
> > Quoting Richard Farris <[EMAIL PROTECTED]>:
> >
> > > I have noticed that some of the spam getting thru is because a I have
> > > several in my whitelist and even though it is not addressed to them it
> > > sends it on because the whitelisted email is in the CC or BCC...
> > >
> > > Isn't there any way to whitelist only if it is addressed to that
> > > person in the To: box?
> > >
> > > Richard Farris
> > > Ethixs Online
> > > 1.270.247.5555 Office
> > > 1.800.548.3877 Tech Support
> > >
> > >
> >
> >
> >
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>
>
> -----------------------------------------------------
> Check out http://www.invariantsystems.com for utilities for Declude and
Imail.
>
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