Cameron Many thanks indeed for taking the time to write out a detailed explanation!
Best Regards Maurice On 13/11/2013, Cameron Simpson <c...@zip.com.au> wrote: > On 13Nov2013 20:20, Maurice McCarthy <mansel...@gmail.com> wrote: >> Please excuse a numpty interrupting, but could an old procmail recipe >> be adapted for use here. What I've got I don't understand and it was >> poached from somewhere or other >> >> # Get rid of duplicates >> :0 Whc: .msgid.lock >> | formail -D 16384 .msgid.cache >> :0 a >> /dev/null > > I prefer to do this in mutt using the ~= search (matches messages > that are dupes of other messages). It is more "visible". FWIW, I > used to use the above procmail recipe, before deciding to do it in > mutt.