I had problems with these filters blocking valid email with a non-us
character set that caused the "From" header to wrap to a second line.
This is under 7.02.
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]] On Behalf Of
> Steven Plautz
> Sent: Monday, July 09, 2001 11:22 AM
> To: [EMAIL PROTECTED]
> Subject: RE: [IMail Forum] spam filters
>
>
> Yea, so this would probably be better to keep the null senders:
>
> F!~(@|<>):NUL
> T!~@:NUL
> H!~\sTo\::NUL
> S~\s\s\s\d\d\d:NUL
> S~adv\::NUL
>
> Steven Plautz
> Sr. ISP Systems Admin
> Omega Communications - Sybercom
> [EMAIL PROTECTED]
>
>
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Don Brown
> Sent: Friday, July 06, 2001 4:15 PM
> To: [EMAIL PROTECTED]
> Subject: RE: [IMail Forum] spam filters
>
>
> 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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> ----
> 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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