Can I adjust or customize the "from" email address in Astro Enterprise?

Yep! System emails from Astronomer (such as deployment-level alerts and user invites) will by default come from:

If you’d like to customize that email address on your self-hosted Astronomer platform, do the following:

  1. Add the desired email address after reply: in your config.yaml under #The "from" address to use
     reply: ""

Default source code here.