Is your email provider supported?
Check before you sign up. Enter your email address below and we'll tell you instantly.
We only use your email to check provider compatibility — nothing is stored. View all supported providers
Full provider list
Personal email — fully supported
@gmail.com · @googlemail.com
Setup in minutes - guided in-app
@outlook.com · @hotmail.com · @live.com · @msn.com
Setup in minutes - guided in-app
Business email — fully supported
Custom domain via M365
Simple 5-minute setup with our team
Custom domain via Google
Simple 5-minute setup with our team
Any custom domain with editable MX records
Simple 5-minute setup with our team
Coming soon — late September 2026
@yahoo.com · @yahoo.co.uk · @ymail.com
In Testing
@icloud.com · @me.com · @mac.com
In Testing
Not supported
@aol.com
AOL does not support the routing controls Office Guard requires
@protonmail.com · @proton.me · @pm.me
End-to-end encryption is fundamentally incompatible with email filtering
On AOL or ProtonMail?
We can migrate you to Microsoft 365 or Google Workspace — including transferring your existing emails — and activate Office Guard in one step.
Ready to get protected?
Gmail, Outlook, Microsoft 365, and Google Workspace are all set up and ready to go.
See plans