Wouldn't F!~@:NUL also delete Null < > senders?
At 12:35 PM 7/6/01 -0400, you wrote:
>These work on v6.04. They probably work on later versions as well unless
>IPSwitch made incompatable modifications to their rule file structure with
>v7. It'd have to be tested to know for sure.
>
>Steven Plautz
>Sr. ISP Systems Admin
>Omega Communications - Sybercom
>[EMAIL PROTECTED]
>
>
>-----Original Message-----
>From: [EMAIL PROTECTED]
>[mailto:[EMAIL PROTECTED]]On Behalf Of Dannyk
>Sent: Thursday, July 05, 2001 4:55 PM
>To: [EMAIL PROTECTED]
>Subject: RE: [IMail Forum] spam filters
>
>
>Do these rules apply to 7.2?
>
>
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED]]On Behalf Of Steven Plautz
> > Sent: Thursday, July 05, 2001 8:07 AM
> > To: IMail_Forum@list. ipswitch. com
> > Subject: [IMail Forum] spam filters
> >
> >
> > I found the below rules in the rules.ima file takes care of a
> > good majority
> > of incoming spam with minimal risk of deleting valid messages:
> >
> > F!~@:NUL
> > T!~@:NUL
> > H!~\sTo\::NUL
> > S~\s\s\s\d\d\d:NUL
> > S~adv\::NUL
> >
> > The first two rules take care of messages without an email address in the
> > FROM or TO fields. These seach for the @ character to make sure it's
> > present.
> > The third filter makes sure the TO field is actually there and deletes any
> > messages without it. Isn't the lack of a TO field or not having
> > a properly
> > formatted email addresses in the TO and FROM fields RFC
> > violations? If so,
> > no one should feel uneasy about the first 3 filters.
> >
> > The fourth is the best filter I have found to date. Much of the spam that
> > comes in have a number spaced out to the far right on the subject
> > line. So
> > this filter simply looks for at least 3 spaces preceeding at
> > least 3 digits
> > in the subject line. You'd be surprised how effective this one filter is!
> >
> > The last one simple looks for "adv:" in the subject.
> >
> > Anyone have anymore that are effective and relatively safe from deleting
> > valid mail?
> >
> > Steven Plautz
> > Sr. ISP Systems Admin
> > Omega Communications - Sybercom
> > [EMAIL PROTECTED]
> >
> >
> > Please visit http://www.ipswitch.com/support/mailing-lists.html
> > to be removed from this list.
> >
> > An Archive of this list is available at:
> > http://www.mail-archive.com/imail_forum%40list.ipswitch.com/
> >
>
>
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>
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----
Don Brown - Dallas, Texas USA Internet Concepts, Inc.
[EMAIL PROTECTED] http://www.inetconcepts.net
PGP Key ID: 04C99A55 (972) 788-2364 Fax: (972) 788-5049
Providing Internet Solutions Worldwide - An eDataWeb Affiliate
----
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