[Mailman-Users] Lists stopped for dns problems ?
zelinlist at pointernet.hu
Mon Mar 10 14:59:59 CET 2003
> Ideally you fix the DNS problems if this is a general problem other than
> with a number of specific addresses.
> However there are a set of approaches for this as a general problem:-
> 1. Run a local caching DNS server, especially if you are more than
> a 100Mbit link from whatever resolver you use. Make sure the
> MTA is using that resolver. djb's dnscache works OK for this -
> see http://cr.yp.to/djbdns.html
> 2. Don't do DNS lookup (ie recipient verification) in the MTA for
> Mailman traffic. Instead let the MTA sort it out and deal with
> the bounces. For exim do something like:-
> "receiver_verify_hosts = !127.0.0.1/8:0.0.0.0/0" to prevent
> verifies on mail recipients from a local Mailman install.
The second solution is great for me, i put it in, and the submission
time went down from ~28.5sec to ~0.05 sec :)
Thanks a lot
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