Can you open lionmail.columbia.edu/login from mainland China?
No.
It's blocked — 100% of the last 1 conclusive tests failed in mainland China.
Access lionmail.columbia.edu/login with GreatFireVPN →2014first tested
1/1blocked · last 90 days
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Frequently asked questions
Is lionmail.columbia.edu/login blocked in mainland China right now?
As of the last test on 2026-06-16, lionmail.columbia.edu/login is 100% blocked in mainland China, based on GreatFire's live Great Firewall measurements.
Why is lionmail.columbia.edu/login blocked in mainland China?
It's blocked — 100% of the last 1 conclusive tests failed in mainland China.
Since when has lionmail.columbia.edu/login been blocked?
GreatFire has recorded interference with lionmail.columbia.edu/login from mainland China since 2014-06-01.
How can I access lionmail.columbia.edu/login 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 lionmail.columbia.edu/login.
http://lionmail.columbia.edu/login · JSON