Idea : If they have the same subjects, you can give them a high score in 
your spamassassin.

! roger

----- Original Message ----- 
From: "John Burnham" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>; <[email protected]>
Sent: Monday, June 19, 2006 9:40 AM
Subject: Re: [exim] Blank emails


>> We've been receiving these blank emails for a while now (no
>> sender or subject or content) and although they are dealt
>> with by Outlook (it puts them in the junk mail folder), I
>> wondered if there was a way to block them at the mail server ?
>>
> Well, if they're completely blank, you can use a test of 
> $message_body_size to
> reject emails with no body content. However, you may end up rejecting 
> legitimate
> mail, so you'll probably want to tailor your tests to your circumstances. 
> For
> example, I've known people who send emails with just a short question in 
> the
> subject header but no message body.
> John
>
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