Gmail, Yahoo, Outlook.com—free providers dominate. Here's how to handle their quirks.
Major Free Providers
- Gmail/Google Workspace
- Outlook.com/Hotmail
- Yahoo/AOL
- iCloud/me.com
Special Considerations
- Gmail catches catch-all behavior with + addressing
- Outlook is strict on authentication
- Yahoo requires FBL registration
Verification Notes
Major providers are reliable. Most verification issues come from custom domains, not free providers.
Conclusion
Free provider emails are generally safe. Focus verification efforts on unknown domains.