您可以在任何主机上托管XMPP域，只要您直接在DNS中设置SRV记录，或者如果客户端指定了它应连接到哪个主机(例如电子邮件).

You can host an XMPP domain over any host, provided that you set the SRV records right in the DNS or if the client specifies to which host it is supposed to connect (like email).