著者: Tor Slettnes 日付: To: Edgar Lovecraft CC: exim-users 題目: Re: [Exim] May I cause SMTP delay for spammers (a.k.a. teergrubing)?
On Mar 20, 2004, at 10:45, Edgar Lovecraft wrote:
> So, as you can see, when PIPELINING is used, delays in the MAIL and
> RCPT
> stages tend to be very bad form and will break or confuse most MTA
> software
> by taking far too long to return the OK to the remote client/server.
> This is why I personally do not use nor do I suggest that any 'delays'
> should be used after the initial connection and HELO responses (delay
> not
> deny/drop use those anytime :)
Valid point, but I use Exim in its default mode, not allowing
pipelining. Hosts that try will be met with a "synchronization error"
in any case. :)
