Can you open mail.proton.me/api/tests/ping from mainland China?
No.
It's blocked — 100% of the last 1 conclusive tests failed in mainland China.
Access mail.proton.me/api/tests/ping with GreatFireVPN →2022first tested
1/1blocked · last 90 days
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Frequently asked questions
Is mail.proton.me/api/tests/ping blocked in mainland China right now?
As of the last test on 2026-07-02, mail.proton.me/api/tests/ping is 100% blocked in mainland China, based on GreatFire's live Great Firewall measurements.
Why is mail.proton.me/api/tests/ping blocked in mainland China?
It's blocked — 100% of the last 1 conclusive tests failed in mainland China.
Since when has mail.proton.me/api/tests/ping been blocked?
GreatFire has recorded interference with mail.proton.me/api/tests/ping from mainland China since 2022-11-23.
How can I access mail.proton.me/api/tests/ping from mainland China?
You need a circumvention tool such as a VPN. GreatFireVPN, built by GreatFire, is designed to bypass the Great Firewall and reach sites like mail.proton.me/api/tests/ping.
https://mail.proton.me/api/tests/ping · JSON