[Dovecot] Overly long email of miscellaneous Dovecot migration questions

[Timo Sirainen]

On Tue, 2010-05-25 at 23:27 -0700, Tim Traver wrote:
> >> Since Exim wouldn't be touching the index files, is it safe to leave
> >> exim as-is and let it handle the deliveries to the maildirs natively?
> >> Exim's already got access to everything it needs including the quota.
> >> I just want to make sure I won't horribly corrupt anything leaving it
> >> as-is -- but I'm also desirous to not have to mess with how deliveries
> >> are currently being done.
> >>     
> > That's fine.
> >
> >   
> 
> ok, but wouldn't that negate the point of the dovecot deliver being able
> to immediately update the index so that it wouldn't have to be rebuilt?

Index is never "rebuilt", it's "updated". If you don't use deliver, the
main noticeable difference comes if user has a lot of new mails, and
client fetches all of their headers. Since they're not in cache file
yet, there's a delay until they're all read and parsed.