Whilst a lot of vendors will tell you they "support Gmail", it turns out the level of support can be... iffy.
In the end, it is often easiest if you create an email "gateway" that leverages the likelihood of just about everything on your campus being able to throw SMTP at port 25 (even though that's deprecated for mail submission), alongside GSuite for Education's SMTP email relay functionality.
This is particularly important once you start getting serious about email security, and that email from your domain MUST flow through particular email servers (because of SPF, DKIM & DMARC).
Read on for more!
