Question about spamassassin using MySQL

[Bruce Dawson]

On Mon, 2005-04-25 at 21:54 -0400, Benjamin Scott wrote:
> On Apr 25 at 3:13pm, Bruce Dawson wrote:
> > Steven: Thanks for the clarification. I was under the impression that the 
> > milter is called only after the message had been received.
>      Obviously, in order to do content analysis or other magic on a message, you 
> have to receive the content.  As I understand it, what these tools do is allow 
> the SMTP "DATA" verb to be sent, and to receive some or all of the data from 
> the sender.  Then, before the SMTP result code 250 ("Message accepted for 
> delivery") code is sent, the filter runs and makes a decision.  If the message 
> fails, an SMTP error status code is sent instead.

Hmmm. So milters actually won't be much good for reducing the amount of
bandwidth occupied by spam - most of the message comes through before a
decision is made.

My observation has been that some spammers don't wait for the 250 reply,
and will just cut the connection after sending the "dot" command.

--Bruce
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