[Dovecot] Received date on emails is wrong after file copying

[Timo Sirainen]

On 9.4.2013, at 14.59, maia at weiser.dk wrote:

> I have tried to copy the emails over again, so they get the right
> date/time on the file level.
> 
> And when I look at a single email in details in SquirrelMail it has now
> the right date/time, but when I look at the overview of a folder it still
> have the copy date/time on them.
> 
> Is there any way to get the date/time in the overview updated, maybe
> delete some index files or force it to re-index?

Delete all the dovecot.index.cache files.