On Sun, 2004-01-25 at 23:11, Bernhard Erdmann wrote:
> I recognized exim-users' delivery to me stopped on Jan 22th and found a
> lot of line like these in my logfiles:
>
> 2004-01-25 00:39:40 H=exim-colo-01.whoc.theplanet.co.uk [195.92.249.251]
> sender verify defer for <exim-users-admin@???>: Could not complete
> sender verify callout
> 2004-01-25 00:39:40 H=exim-colo-01.whoc.theplanet.co.uk [195.92.249.251]
> F=<exim-users-admin@???> temporarily rejected RCPT
> <be@???>: Could not complete sender verify callout
>
> Now I increased the timeout for SMTP callback to 120 sec and a lot of
> exim-users' mails could be delivered.
>
> When I talk SMTP myself to exim-colo-01.whoc.theplanet.co.uk, I see long
> delays in exim-colo-01's answer. Ca. 6 sec to print the SMTP banner, ca.
> 6 sec to respond to EHLO and around 60 sec to RCPT TO: after MAIL FROM:
> <realaddress> and MAIL FROM:<> (response to MAIL FROM is immediately).
>
> What's going on here?
I added delays on some operations for DNSBLed addresses - however this
is impacting callbacks for people listed on the DNSBLs, although on the
upside from my point of view is that there was only one spam message in
the moderation queue for the weekend (normal haul is closer to 40).
I'll look at these again later and see if I can better balance the
timeouts - I thought I had already dramatically dropped the null
sender/rcpt to combination, but I may have got that wrong.
Nigel.
--
[ Nigel Metheringham Nigel.Metheringham@??? ]
[ - Comments in this message are my own and not ITO opinion/policy - ]