> > Here is a typical bounce message that I get: > > <python-list@python.org>: host mail.python.org[188.166.95.178] said: > 450-4.3.2 > Service currently unavailable 450 4.3.2 > > Some time after I get one of these messages I re-send the post. Usually > it gets through then. >
Looks kinda like greylisting to me. I'm pretty sure that's one of the tool in the mail.python.org chain. Skip > -- https://mail.python.org/mailman/listinfo/python-list