On 14 Feb 2016, at 06:17, Emilio Jesús Gallego Arias <gall...@cri.ensmp.fr> wrote: > > Dear Dovecot devs, > > is streaming multiple MOVE commands by clients allowed? > > I am getting duplicated messages with the GNUS mail client, the > interchange looks like this: > > *stream two moves to different folders* >> 9019 UID MOVE 4062,4066,4068 "folder0" >> 9020 UID MOVE 4063:4064,4067,4069:4072 "folder1" > *the messages are copied* >> * OK [COPYUID 1424475218 4062,4066,4068 376:378] Moved UIDs. >> * OK [COPYUID 1424475231 4063:4064,4067,4069:4072 26:32] Moved UIDs. > *however expunge fails to clean 4063, 4064, and 4067* >> * VANISHED 4062,4066,4068:4072 > > thus 4063, 4064, and 4067 end both in inbox and folder1 producing > duplicate messages (more details at [1]). > > At the GNUS mailing list, we were wondering about what should be the > correct reading of RFC6851.
Thanks, looks like this was broken with Maildir and mbox formats. It also caused expunges in some other situations to be lost. Fixed: https://github.com/dovecot/core/commit/950a6e61d6c2dac961ce031bdd8b2895bc32b827
