> On June 10, 2017 at 5:58 AM Peter West <li...@pbw.id.au> wrote: > > > Concerning Maildir, the wiki page on compression has this: > > All mails must have ,S=<size> in their filename where <size> contains the > original uncompressed mail size, otherwise there will be problems with quota > calculation as well as other potential random failures. Note that if the > filename doesn’t contain the ,S=<size> before compression, adding it > afterwards changes the base filename and thus the message UID. The safest > thing to do is simply to not compress such files. > > Further down on the same page is this: > > If the file does exist, rename() (mv) the compressed file over the original > file. > • Dovecot can now read the file, but to avoid compressing it again on > the next run, you'll probably want to rename it again to include e.g. a "Z" > flag in the file name to mark that it was compressed (e.g. > 1223212411.M907959P17184.host,S=3271:2,SZ). > > These comments seem to contradict each. Or is there a difference between > adding the size specifier to the filename and adding a Z flag to the end of > the file name? > > -- > Peter West > p...@pbw.id.au > And the great throng heard him gladly. >
Keyword is 'base filename'. From the wiki, "The standard filename definition is: "<base filename>:2,<flags>".". Z is a flag. Aki
