Paul Smith writes:
I obviously don't know how many there are, but I've seen problems from
several senders when our server has taken over a minute to respond
after a DATA command, and this wasn't with spam, but with legitimate
email which we would have received over and over again if I hadn't
put in a temporary rule to get it past the spam filter.
It's not all system administrators by any means, but there are some..
OK, thanks.
Arnt