Re: empty message-ID

[Benny Pedersen]

D'Arcy Cain skrev den 2020-11-23 15:18:

:0 Wh: msgid.lock
| formail -D 65536 $HOME/.msgid.cache
In other words, the message ID "" was considered a duplicate after the
first one.

if you use postfix there would be uniq msgid always, eq postfix ensures 
there is always fqdn in msgid aswell, many mua's does not ensure the 
fqdn part