[Mailman-Users] Migration to a new server: recommendations for testing the new Mailman server before changing DNS records; also how to avoid lost/bounced messages during change-over?

[Mark Sapiro]

On 07/08/2013 04:34 PM, David wrote:
> 
> Therefore, opendkim won't work now. And if I go fiddling with config
> files for testing (and changing to a temporary IP address, for example),
> then I increase the risk that the server won't work after I swap IP
> addresses and go live.


The mail you are submitting for testing should be coming from localhost
(the loopback port, 127.0.0.1 for IPv4). I'm not knowledgeable about
OpenDKIM, but it seems that maybe this should be in TrustedHosts anyway.

-- 
Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan