I've noticed that when I post to the list (via gmane) there's
Maybe the list is moderated.
The host where moderation is done greylists, so if gmane is used
rarely there will be a minimum of a 15-minute delay (the greylist
timeout), but most sending MTAs rerun the queue only after 4 hours or
so. The whitelist expires after 24 hours.
We also have relatively fierce filtering once mail.xemacs.org
accept your mail. It's very rare that real posts go to /dev/null, but
they do frequently (1 in 100 or so) end up quarantined, and need to be
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