<stream:error xmlns="http://etherx.jabber.org/streams"><host-unknown xmlns="urn:ietf:params:xml:ns:xmpp-streams" /></stream:error>

[2023.03.16] 11:32:41.366 ERROR: System.Exception: Client requested a domain we do not serve

[2023.03.16] 11:32:41.366 SENT: </stream:stream>

[2023.03.16] 11:32:41.366 CLIENT FAILED TO CONNECT: con_9

[2023.03.16] 11:32:53.241 RECV: <?xml version='1.0'?><stream:stream xmlns:stream='http://etherx.jabber.org/streams' xmlns='jabber:client' xml:lang='en-US' to='' version='1.0'><starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>

[2023.03.16] 11:32:53.241 SENT: <?xml version='1.0'?><stream:stream from='' xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' xml:lang='en' id='xmpp_618002' version='1.0'>

[2023.03.16] 11:32:53.241 SENT: <stream:features>  <auth xmlns='http://jabber.org/features/iq-auth'/>    <mechanisms xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>    <mechanism>DIGEST-MD5</mechanism>    <mechanism>PLAIN</mechanism>    <mechanism>OAUTHBEARER</mechanism>  </mechanisms></stream:features>

[2023.03.16] 11:32:53.241 SENT: <stream:error xmlns="http://etherx.jabber.org/streams"><host-unknown xmlns="urn:ietf:params:xml:ns:xmpp-streams" /></stream:error>

[2023.03.16] 11:32:53.241 ERROR: System.Exception: Client requested a domain we do not serve

[2023.03.16] 11:32:53.241 SENT: </stream:stream>

[2023.03.16] 11:32:53.241 CLIENT FAILED TO CONNECT: con_10

[2023.03.16] 11:32:53.241 SENT: <proceed xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>

[2023.03.16] 11:32:53.241 ERROR: System.ObjectDisposedException: Cannot access a disposed object.

[2023.03.16] Object name: 'System.Net.Sockets.Socket'.

[2023.03.16]    at System.Net.Sockets.Socket.get_LocalEndPoint()

[2023.03.16]    at MailService.Protocols.XMPP.Core.XmppServer.OnSSLConnection(XmppServerConnectionBase con, String sessId)

[2023.03.16]    at MailService.Protocols.XMPP.Core.XmppServerConnectionBase.streamParser_OnStreamElement(Object sender, Node e)