This step-by-step article shows how to set up Postfix to use an external SMTP, forward emails, and add TLS encryption to the emails.

Fastmail provides outgoing smtp services to its users via an app-specific password. Postfix configuration can be set to use Fastmail’s servers for smtp with...

Setting up alerts in Proxmox is important and critical to making sure you are notified if something goes wrong with your servers.It’s so easy, I should have done this years ago! In this tutorial, we’ll set up email notifications using SMTP with Gmail or G Suite that send email alerts when there are disk errors, ZSF Issues, or when backup jobs run.We’ll then test the alerts to make sure they are working by yoinking a drive from my ZFS pool (and hopefully it doesn’t fail).