I can confirm that bug on Edgy. Evolution-exchange doesnt use proxy settings and I couldnt manage to establish connection to intranet OWA URL using proxy server to access intranet http/https.
-- Evolution will not use GNOME proxy settings of http_proxy environment variable to access Exchange via WebDAV https://launchpad.net/bugs/52654 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs