Handling bounced email when using a postfix smarthost
- by Mark Rose
I'm running a high availability cluster, and so far, most things work great. I have two external machines that act as outgoing mail hosts (smarthosts). The internal hosts are configured to relay all email through these two external facing hosts.
My smarthosts' main.cf looks like this:
myhostname = lb1.example.com
alias_maps = hash:/etc/aliases…