On 23 Nov 2020, at 07:44, Jaroslaw Rafa <r...@rafa.eu.org> wrote: > Dnia 23.11.2020 o godz. 10:18:39 D'Arcy Cain pisze: >> >> :0 Wh: msgid.lock >> | formail -D 65536 $HOME/.msgid.cache > > Who uses that?
Everyone who ever used procmail? Nearly everyone who ever used procmail? It's even in the procmail man page. > If you are subscribed to several mailinglists and people cross-post to > some of them, you usually receive several duplicate mails (one from > every list). The following simple recipe eliminates duplicate mails. > It tells formail to keep an 8KB cache file in which it will store the > Message-IDs of the most recent mails you received. Since Message-IDs > are guaranteed to be unique for every new mail, they are ideally suited > to weed out duplicate mails. Simply put the following recipe at the > top of your rcfile, and no duplicate mail will get past it. > > :0 Wh: msgid.lock > | formail -D 8192 msgid.cache -- All our loves are first loves