Ricardo Kleemann writes:
When I disable the RBL checks, the timeout problem goes away.
I'd still like to be able to do RBL checking, however... Is there any way
to get around this problem?
Yes. Turn off the DNSBL which is not working.
My RBL list was setup as follows:
Thanks for any help!
relays.osirusoft.com is currently dead, and not responding to queries.
That's the reason for your delays.