how to migrate postfix service to a temporary server?

Hi, postfix list, I have a mail/web server running postfix with mailman and the harddrive for the server is on the verge of failure. And we plan to do a fresh OS install on the old server. So I am going to migrate the postfix service to a temporary server and during this period time, I will instal

Re: changed relay host from empty to $mydomain, where to look for effects after change

I got this in log, message to postfix mailing list can not be sent after I changed relayhost = $mydomain On Wed, Apr 08, 2009 at 08:17:59PM -0500, Zhengquan Zhang wrote: Apr 8 20:17:59 m364d1 postfix/cleanup[2364]: D9AC0B5B57: message-id=<20090409011759.ga2...@m364d1.ece.northwestern.edu&g

changed relay host from empty to $mydomain, where to look for effects after change

Dear postfix community, I use postfix personally on my computer to send emails, also two mail servers I am in charge of are running postfix. Now I have a basic question about my personal computer postfix configuration that I don't have a answer for: I followed an fellow expert's suggestion and I