Aaron Wolfe wrote:
>
> Same problem here on several servers.  Reducing the timeout helps, but
> violates RFC and is simply reducing the effects rather than fixing the
> issue.  Is there any RFC valid way for a server to hang up on a
> client, especially after a 5xx?
>
What if SMTP servers report a 5XX and then drop the connection? I know
that's not compliant, but a real mail server would have got the 5XX and
so (mainly) wouldn't retry, and a spammer would have their connection
terminated.

Is there any real downside to this? (one I can think of: mailing-list
broadcasts would be slowed down due to retries if invalid addresses were
present...)

I knew things like this would eventually happen. Spammers basically have
infinite resources, they can deliver us a LOT of hurt when they wish to.
I can think of a lot worse things they could do - and probably will :-(

-- 
Cheers

Jason Haar
Information Security Manager, Trimble Navigation Ltd.
Phone: +64 3 9635 377 Fax: +64 3 9635 417
PGP Fingerprint: 7A2E 0407 C9A6 CAF6 2B9F 8422 C063 5EBB FE1D 66D1

Reply via email to