dovecot.index.log files: what are they?

[Thomas Klausner]

On Wed, Dec 10, 2014 at 09:26:31PM +0100, Reindl Harald wrote:
> 
> Am 10.12.2014 um 21:19 schrieb Thomas Klausner:
> >I have lots of these files:
> >
> >/home/wiz/Mail/my-folder-name/cur/.imap/1238738125.13533_23713.danbala:2,S/dovecot.index.log
> >
> >What are they for?
> >Why are they here?
> >Can I remove them?
> 
> RTFM: http://wiki2.dovecot.org/IndexFiles

Thanks, but I had read this.

I still don't know what they are good for, why they stay there for
days and if I can remove them. After all, they are not the caches, but
some "transaction logs" (I don't know what this is).
 Thomas