Pushpages right now come from @myschoolemails.com this is an external domain. Today everyone receives a lot of spam and phishing emails, there is no good reason to have any internal communication coming from an outside of the company domain. This needs to be fixed.
This feature is needed! When this feature gets reviewed / implemented, SPF and DKIM support should be considered, so that emails are not delivered to junk.
In order to send out mass communication emails, your domain needs to be whitelisted around the world so that when you send out 100+ emails, spam filters don't recognize it as spam. While this idea would be great to help users know who the email is coming from, it may also may be difficult to do. Spoofing is another option but also commonly marked as spam.