On Fri, 7 Sep 2007, Jason Haar wrote: | 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.
In exim-speak this is "drop" instead of "deny". "drop: This verb behaves like deny, except that an SMTP connection is forcibly closed after the 5xx error message has been sent." -- Chris Edwards, Glasgow University Computing Service
