On Fri, 17 May 2002, Dave Restall wrote:
> The mail that it has problems with is a spam from offers123.net who
> seem to have an awful lot of MX's - none of which work. I think exim
> patiently but methodically sets out to verify the address from all of
> them until one of them will answer, however because none of them work,
> exim waits for each one to timeout and the remote mailer at demon gets
> bored and terminates the connection.
Exim is only going to do this if you have configured callbacks. In Exim
3, use sender_verify_callback_timeout to reduce the timeouts.
--
Philip Hazel University of Cambridge Computing Service,
ph10@??? Cambridge, England. Phone: +44 1223 334714.