IfyouwanttogiveyourPleromausersanXMPP(chat)account,youcanconfigure[MongooseIM](https://github.com/esl/MongooseIM) to use your Pleroma server for user authentication, automatically giving every local user an XMPP account.
Ingeneral,youjusthavetofollowtheconfigurationdescribedat[https://mongooseim.readthedocs.io/en/latest/authentication-backends/HTTP-authentication-module/](https://mongooseim.readthedocs.io/en/latest/authentication-backends/HTTP-authentication-module/) and do these changes to your mongooseim.cfg.