https://xmpp.org/extensions/xep-0175.html
XEP-0175: Best Practices for Use of SASL ANONYMOUS
This document specifies best practices for use of the SASL ANONYMOUS mechanism in the context of client authentication with an XMPP server.
best practices for usexepsaslanonymous
https://xmpp.org/extensions/attic/xep-0175-0.1.html
JEP-0175: Best Practices for Use of SASL ANONYMOUS
best practices for usejepsaslanonymous