[Bsd-sharp-list] New spam filtering rules

[tmclaugh at sdf.lonestar.org]

> List administrivia
>
> Because this mailing list is listed as the maintainer for some FreeBSD
> ports this needs to be an open mailing list.  This of course is a
> problem with all the spam out there.  Previously I handled this by
> holding non-subscriber emails for moderation, manually accepting the
> legit ones and discarding the spam.  At some point Mailman's settings
> were reset and all non-subscriber emails started being discarded.  I I
> didn't notice this and just thought Novell implemented some spam
> filtering.  A few weeks ago I noticed some email sent to me and the list
> that never reached here which is when I found out Mailman's settings had
> been reset.  I went back to manually moderating non-subscriber traffic
> but found out that didn't work since the list was receiving somewhere
> around 1000 spam emails a week.
>
> I played with some rules in Mailman today and added 4 simple ones which
> should allow me to keep this list open and the spam to a minimum.  The
> following regexes will cause an email to this list to be discarded:
>
> # Subjects with characters outside the standard ASCII printable
> # character set. (Basically characters not on my keyboard)
> Subject:.*[^\s\w\[\]\~\`\!\@\#\$\%\^\&\*\(\)\-\+\=\{\}\|\\\:\;\"\'\<\>\,
> \.\?\/]
>
> # All html mail.
> Content-Type:\stext/html
>
> # Some annoying Outlook headers standard email doesn't need.
> X-MimeOLE:\sProduced By Microsoft MimeOLE
> X-MSMail-Priority:\sHigh
>
> Sorry if this causes anyone an inconvenience but it's necessary in order
> for me to keep this list open to all users and so I don't have to spend
> an hour or two sifting through the queue each night.  Let me know if you
> have any problems, questions, concerns, or better regexes.
>
> tom
>
> --
> | tmclaugh at sdf.lonestar.org             tmclaugh at FreeBSD.org |
> | FreeBSD                                   http://www.FreeBSD.org |
> | BSD#                    http://www.mono-project.com/Mono:FreeBSD |
>
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Testing some changes