Were the antispam settings of this list changed recently? I've tried 5
times to send a message, without success.
<http://p.defau.lt/?_yzbzvIVKfHPwMkIkVSsGg>
Messages are silently discarded so I have no idea what's going on (maybe
they are still in the moderation queue), anyway the configuration seem
to need tweaking. When you find the trick, please share it on bug 56525.
Nemo