Re: Is predictable spam filtering a vulnerability?

["David F. Skoll" <dfs () roaringpenguin com>]

On Wed, 16 Jun 2004, R Armiento wrote:

> However, 'C':s spam filter silently drops the email.

In my opinion, any spam filter that silently drops e-mail is broken, and
is indeed a security risk.  A spam filter MUST respond with a 500 SMTP
failure code if it rejects a message.

Regards,

David.