LC> the problem is yahoo group msgs having spam signatures in the Subject: like
LC> long string of repeating characters, or "virus alert", or something in the
LC> body.

The following is what appears to have caused the rejection for the last two messages
from Yahoo groups.

They failed the headers check snippet: "iso-.*-jp"

Snippet from the maillog:
-----------------
Content-Type: text/plain; charset=ISO-2022-JP

Content-Type: text/html; charset=ISO-2022-JP

Google search seems to tell me this is used to tell the browser about
the character set used?


I checked the last 3 messages that are listed as being rejected that
are from YG's to my IMG and the headers shown for the messages (as read
off of the webpage for YG's) is:

Content-Type: text/plain; charset=ISO-US-ASCII

Obviously the JP charset is what is being sent to IMG or it wouldn't
reject it.

What is the reasoning behind including the "iso-.*-jp" as a reject in
the headers?  High incidence of spam from Japan?  Spammers use it
frequently? Something else?

What is the downside or relative risk to removing this particular
pattern from the headers check?

Sorry for the elementary questions, but this is bugging me and I would
like to at least understand it, if not correct it.

-- 
Best regards,
 Grant

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