Change timeline
Proton Mail: what changed
44 recorded events. A change to a value that describes our research (not measured, estimated) is a research update, not a change to the product.
Change history
2026-10-03 4 events
First documented
Proton Mail: Custom email domain documented as yes (verified). A first finding of ours, not a change at the vendor.
First documented
Proton Mail: Data export documented as yes (verified). A first finding of ours, not a change at the vendor.
First documented
Proton Mail: Free tier documented as yes (verified). A first finding of ours, not a change at the vendor.
First documented
Proton Mail: Email client connection documented as IMAP/SMTP through desktop Bridge (verified). A first finding of ours, not a change at the vendor.
2026-09-14 2 events
Research update
Proton Mail: EU data residency stated is now recorded as not measured.
2026-09-08 2 events
Research update
Proton Mail: ISO/IEC 27001 is no longer documented as yes; that value was withdrawn and is now recorded as not measured. This describes our measurement, not a change at the vendor.
Research update
Proton Mail: HIPAA compliance stated is no longer documented as yes; that value was withdrawn and is now recorded as not measured. This describes our measurement, not a change at the vendor.
2026-09-07 1 event
Research update
Proton Mail: Students named as an audience is no longer documented as yes; that value was withdrawn and is now recorded as not measured. This describes our measurement, not a change at the vendor.
2026-09-03 35 events
Research update
Proton Mail: Families named as an audience documented (verified).
Research update
Proton Mail: Entry price per month is now recorded as not measured.
Research update
Proton Mail: Public list price is now recorded as not measured.
Research update
Proton Mail: Free trial length is now recorded as not measured.
Research update
Proton Mail: Uptime commitment is now recorded as not measured.
First documented
Proton Mail: ISO/IEC 27001 documented (verified). This is a finding of ours, not necessarily a new certification.
First documented
Proton Mail: HIPAA compliance stated documented (verified). This is a finding of ours, not necessarily a new certification.
Research update
Proton Mail: Students named as an audience documented (verified).
Research update
Proton Mail: SCIM user provisioning is now recorded as not measured.
Research update
Proton Mail: GDPR compliance stated is now recorded as not measured.
Research update
Proton Mail: FedRAMP authorisation is now recorded as not measured.
Research update
Proton Mail: Data processing agreement offered is now recorded as not measured.
Research update
Proton Mail: Mobile app (iOS or Android) is now recorded as not measured.
Research update
Proton Mail: On-premises or self-hosted option is now recorded as not measured.
Research update
Proton Mail: Manufacturing named as a market is now recorded as not measured.
Research update
Proton Mail: Healthcare named as a market is now recorded as not measured.
Research update
Proton Mail: Financial services named as a market is now recorded as not measured.
Research update
Proton Mail: Retail or e-commerce named as a market is now recorded as not measured.
Research update
Proton Mail: Public sector named as a market is now recorded as not measured.
Research update
Proton Mail: Education named as a market is now recorded as not measured.
Research update
Proton Mail: Energy or utilities named as a market is now recorded as not measured.
Research update
Proton Mail: Logistics or supply chain named as a market is now recorded as not measured.
Research update
Proton Mail: Small businesses named as an audience is now recorded as not measured.
Research update
Proton Mail: Enterprises named as an audience is now recorded as not measured.
Research update
Proton Mail: Remote or hybrid teams named as an audience is now recorded as not measured.
Research update
Proton Mail: Gaming named as a use is now recorded as not measured.
Research update
Proton Mail: Creators named as an audience is now recorded as not measured.
Research update
Proton Mail: Freelancers named as an audience is now recorded as not measured.
Research update
Proton Mail: Families named as an audience is now recorded as not measured.