XMPP newbie is very confused

"[email protected]" <[email protected]> Tue, 29 Dec 2020 13:15:26 -0600
Newsgroups gmane.network.jabber.user
Message-ID <CY4PR1301MB1992ED681DC336BFE85747DB97D80@CY4PR1301MB1992.namprd13.prod.outlook.com> 
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