China Bans Running Your Own Email Server

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China has introduced regulations that make it illegal to run an email server without a licence. The new rules, which came into force two weeks ago, mean that most companies running their own email servers in China are now breaking the law.

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China's new rules also prohibit use of email to discuss certain vaguely defined subjects related to 'network security' and ' information security', and also reiterate that emails which contain content contrary to existing laws must not be copied or forwarded. Wide-ranging laws of this nature have been used against political and religous dissenters in the past.

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Under the new regulations, Email Service Providers must register their mail servers' internet protocol (IP) addresses with authorities 20 days before they start operating the server. The must also keep a record of all emails sent and received for 60 days. The rules even prohibit open relays: mail servers which accept and relay email from any source without verification

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