I could be mistaken here, but has anyone else seen this:
1) compose a message and send it to mailing list
2) get message back, twice
3) wonder why it got sent twice
4) look at sent mail -> not there
5) sent mail copy went to outbox?
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"Good people do not need laws to tell them to act responsibly,
while bad people will find a way around the laws."
- Plato (427-347 B.C.)