Github user JPercivall commented on the issue:
https://github.com/apache/nifi/pull/483
Ah thank you for fixing the rebase @trixpan, no problem.
@joewitt, I refactored some of the concurrent logic that was being used in
ListenSMTP. If you have some time, I'd appreciate a second pair of committer's
eyes to verify I didn't make any dumb mistakes.
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