Welcome to 404 city

Welcome to cyber reality. The digital city that doesn't exist

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Using 404.city you agree to Terms of use and Privacy policy. The service is intended for personal home use, for private communication with friends and family. The privacy policy is carried out in accordance with the "European Convention for the Protection of Human Rights" and the right to protection of private and family life and correspondence.
Illegal use and use for military tasks are not allowed

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News

June 4 2025 - Disabled support for port StartTLS (5222) by default, as obsolete. Messenger work on port 5222 continues to be available with manual configuration. To configure legacy clients, you can still manually enter the port number "5222" and server address "j.404.city". Currently, 3% of users continue to use it, but modern messengers continue to check the outdated port when rebooting the server, creating senseless peak loads.Currently, the 404.city project's funding is in poor condition and optimization is the only way to extend the work for some time.
May 11 2025 - The email service has been partially restored
May 10 2025 - To extend the life of the server, the server was moved to a cheaper hosting