I added it today: https://github.com/dovecot/core/commit/03af8e5325a7b4fec36414ac35949457bc426c0b
> On 12 Apr 2016, at 23:46, Richard Laager <rlaa...@wiktel.com> wrote: > > We've completed our migration to Dovecot (yay!), so this isn't critical for > me any more. But this change might still be a useful addition to Dovecot. It > doesn't create any non-standard behavior (like my patch for non-atom flags). > > On 03/07/2016 11:16 PM, Richard Laager wrote: >> On 03/04/2016 08:52 AM, Timo Sirainen wrote: >>> On 04 Mar 2016, at 07:47, Richard Laager <rlaa...@wiktel.com> wrote: >>>> Is there any way to disable the header hashing in dsync? >> ... >>> Does the attached patch happen to work? Compiles, but untested for now. >> >> It works with one more change on top of your patch: >> >> diff --git a/src/doveadm/dsync/dsync-mailbox-export.c >> b/src/doveadm/dsync/dsync-mailbox-export.c >> index 361cc55..0267f86 100644 >> --- a/src/doveadm/dsync/dsync-mailbox-export.c >> +++ b/src/doveadm/dsync/dsync-mailbox-export.c >> @@ -518,7 +518,7 @@ dsync_mailbox_export_init(struct mailbox *box, >> p_array_init(&exporter->expunged_seqs, pool, 16); >> p_array_init(&exporter->expunged_guids, pool, 16); >> >> - if (!exporter->mails_have_guids) >> + if (!exporter->mails_have_guids && !exporter->no_hdr_hashes) >> exporter->wanted_headers = dsync_mail_get_hash_headers(box); >> >> /* first scan transaction log and save any expunges and flag changes >> */ >> > > -- > Richard > <dsync.diff>