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From: Scott Blachowicz <scott@statsci.com>
Cc: "(ding)" <ding@gnus.org>
Subject: Re: Hmm.. 2 q's
Date: Mon, 14 Jul 1997 11:19:13 -0700	[thread overview]
Message-ID: <199707141819.LAA13825@knife.statsci.com> (raw)
In-Reply-To: Your message of "13 Jul 1997 09:48:21 -0400." <wkd8ondpwa.fsf@peorth.gweep.net>

Stainless Steel Rat <ratinox@peorth.gweep.net> wrote:

> Bad idea: there is no requirement that a Message-ID string contain a domain
> name.  The only significant requirement is that every Message-ID be unique,

Are there requirements on the message-id as far as legal characters &
such?  (e.g. maybe there should be precisely one @ character?) I've been
doing some filtering on message-id's in my mailagent rules:

    Message-ID: /\<[^\@]*\>/, /\@.*\@/, /\S.*\</, /\>.*\S/, /^[^<]*$/, /^[^>]*$/ {
        # Spam
        ANNOTATE X-trashed-by bogus-message-id;
        SAVE +trash; ABORT -t;         
    };

which matches:

    1) no @ between the <...>.
    2) 2 @'s
    3) junk before a <
    4) junk after a >
    5) no <
    6) no >

and picks up a few matches, but I've also gotten some hits on match #2 for
non-spam email, so I'm not so sure.

Scott Blachowicz  Ph: 206/283-8802x240   Mathsoft (Data Analysis Products Div)
                                         1700 Westlake Ave N #500
scott@statsci.com                        Seattle, WA USA   98109
Scott.Blachowicz@seaslug.org


  parent reply	other threads:[~1997-07-14 18:19 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1997-07-13  9:56 Markus Stenberg
1997-07-13 12:50 ` Andy Eskilsson
1997-07-13 17:01 ` Aaron M. Ucko
     [not found] ` <wkd8ondpwa.fsf@peorth.gweep.net>
1997-07-13 14:56   ` Markus Stenberg
1997-07-14 18:19   ` Scott Blachowicz [this message]
1997-07-14 19:01     ` Randal Schwartz
1997-07-19 16:14       ` spam filtering on message-id (was: Hmm.. 2 q's) Michael R Cook
1997-07-21  0:36         ` Ken Raeburn
1997-07-21 15:56           ` Michael R Cook
1997-07-23 20:06             ` Ken Raeburn
1997-07-14 21:01     ` Hmm.. 2 q's Paul Franklin
1997-07-14 19:53   ` Karl Kleinpaste
1997-07-14 21:41     ` Scott Blachowicz
1997-07-14 21:45       ` Karl Kleinpaste

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