Thanks Renaud, I will take your advice. Cheers, Kerry. > > > Kerry Seibold wrote: >> Hi, >> I am using exim 4.51 on FC3. >> >> RBL lookups take a very long time if the ip address is not listed, resulting >> in, for example: >> >> DNS list lookup defer (probably timeout) for >> 240.218.158.202.sbl.spamhaus.org: assumed not in list >> >> The relevant section of my exim.conf is: >> >> deny hosts = !127.0.0.1 >> message = rejected because $sender_host_address is in a >> black list at $dnslist_domain\n$dnslist_text >> dnslists = >> sbl.spamhaus.org:relays.orbd.org:dnsbl.njabl.org:dnsbl.sorbs.net >> >> www.dnsreport.com on my mailserver reports: >> >> ERROR: I could not complete a connection to any of your mailservers! >> >> mail.mydomain.com: Timed out [Last data sent: RCPT TO: ] >> >> If this is a timeout problem, note that the DNS report only waits about 40 >> seconds for responses, so your mail *may* >> work fine in this case but you will need to use testing tools specifically >> designed for such situations to be >> certain. >> >> >> If I comment out that section in my exim.conf www.dnsreport.com reports: >> >> OK: I was able to connect to all of your mailservers. >> >> I've googled and searched the exim archives. >> >> Is there some way I can fix this? >> > > You should first remove relays.ordb.org as this list doesn't work for > quite some time now. > It should also be noted that MTA are required to wait much more than 40s > by RFC2821. So, even if dnsstuff reports something like a timeout, they > are not respecting RFCs for timeouts anyway. As another example, > dnsstuff will report that you don't accept postmaster if you block > bounces to multiple recipients. As long as you know you are not doing > something wrong, dnsstuff only brings some advises, not a certainty. > -- > ## List details at http://www.exim.org/mailman/listinfo/exim-users > ## Exim details at http://www.exim.org/ > ## Please use the Wiki with this list - http://www.exim.org/eximwiki/
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