Just looking for a pointer to a recommended tutorial on setting up Postfix
as a send only service to be able to send alert emails from a home server
like smartmontools drive warnings etc.

I have seen several tutorials that touch on this, but the part I'm not
clear on is the FQDN setting. It's home server so it doesn't have a public
domain name. If my dynamic DNS provider reaches my home server at
myhome.example.com, would that be the FQDN?

If this makes it easier, I do have a fully functional Postfix mail server
on my website server. Is there a way for the home server to send its alert
emails via the business server? Or should the home send-only Postfix send
through Gmail somehow?


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