Am 21.06.2017 um 00:58 schrieb Joseph Tam:

Is it just me receiving in Digest mode, or are all message submissions to this list being duplicated?

Joseph Tam jtam.home@gmail.com

No, it is not only you receiving duplicated messages. It has started again today with the mail(s) by Michal Hlavinka asking about the cap_net_admin capability.

The suspicious doubled messages contain and addressing to a local.dovecot newsgroup and have the mail header "Newsgroups: local.dovecot".

Alexander