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GMX Mail vs Mail.com: catalog facts
GMX Mail	Mail.com
Free Free, supported by advertising and sponsored content.	Freemium Free accounts with ads; a premium tier is available.
Web	Web, Browser extension
Up to 10 addresses on one free account Mail collector for other email accounts	Choice of 100+ address domains Up to 10 addresses per account
Web portal shows sponsored news and ads Hosted service, so you rely on the provider for your mail	Free tier shows sponsored content Proprietary hosted service
Web application, Hosted service	Hosted service, Browser extension
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.