This in a gnus message,
<a href=3D"ideas.couchsurfing.org" style=3D"font-size:12px;co=
lor:#FFF;text-decoration:none;color:#2E3033">ideas.couchsurfing.org</a>
gives a link to
buffer://ideas.couchsurfing.org
please make it instead
http://ideas.couchsurfing.org
even if bad HTML.