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Extensible Messaging and Presence Protocol is a communications protocol for message-oriented middleware based on XML.

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How do XMPP servers process messages?

While it's possible for a particular implementation to do something different, in every XMPP server I've looked at: Messages are NOT end-to-end encrypted. … XMPP is essentially e-mail with realtime presence indicators. …
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1 vote

what makes xmpp a trustworthy way to communicate with others?

XMPP Chat is a federated protocol just like email. It may or may not use TLS client to server, but generally does these days. The federated servers hold and relay clear text chat just like email. …
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