On Dec 27, 2016, at 01:34 PM, Glenn Linderman wrote: >Thanks for this extra information, Ethan. That points at Gmail pretty >conclusively as the source of the reduction in number of messages. Since it >has long been known that Gmail suppresses CC or BCC to self, it is likely >that suppressing duplicate messages from cross-posted mailing lists is also >done... likely achieved due to matching Message-Id values.
https://wiki.list.org/x/4030680 Cheers, -Barry _______________________________________________ Python-Dev mailing list Python-Dev@python.org https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com