[Dovecot] does dovecot interpret any mail headers specially with maildir?

[Timo Sirainen]

On 29.10.2012, at 23.09, Christoph Anton Mitterer wrote:

> On Mon, 2012-10-29 at 22:40 +0200, Timo Sirainen wrote:
>>> I wondered, when using maildir, are there any headers that dovecote
>>> would treat specially, too?
>>> And which I therefore should strip?
>> 
>> No. Maildir metadata is stored elsewhere.
> 
> Great... and I expect that this ("no headers from the maildir files are
> interpreted") applies also, when one "imports" mails the first time.
> 
> With import I don't mean via IMAP, but plainly moving e.g. a maildir++
> tree under dovecots mail location.

Yeah.

> Then dovecot usually starts to generate all it's metadata,... and I
> expect that things like status and keywords are left simply unset... and
> things like UID and UIDVALIDITY are freshly initialised and not tried to
> be converted from the maildir files, right?

Flags are stored in the maildir filenames, so they're always preserved. Keywords, UIDs, UIDVALIDITY etc is preserved if you copy the dovecot-* files with it (which is a good idea to do).