I note that the List-Archive: header does not properly include the URL in angle brackets. quick patch: Index: CookHeaders.py =================================================================== RCS file: /cvsroot/mailman/mailman/Mailman/Handlers/CookHeaders.py,v retrieving revision 1.13 diff -u -r1.13 CookHeaders.py --- CookHeaders.py 2000/09/21 04:51:09 1.13 +++ CookHeaders.py 2000/09/25 00:38:01 @@ -121,5 +121,5 @@ # actually archiving del msg['List-Archive'] if mlist.archive: - msg['List-Archive'] = urlparse.urljoin(mlist.web_page_url, + msg['List-Archive'] = '<%s>' % urlparse.urljoin(mlist.web_page_url, mlist.GetBaseArchiveURL())