local hostname = module:get_option_string("sasl_hostname", module.host); module:hook("stream-features", function(event) local features = event.features; local mechs = features:get_child("mechanisms", "urn:ietf:params:xml:ns:xmpp-sasl"); if mechs then mechs:tag("hostname", { xmlns = "urn:xmpp:domain-based-name:1" }) :text(hostname):up(); end end);