Timo Sirainen wrote:
> I guess you're using maildirs? And you're migrating existing users > mailboxes? Do your users use actual IMAP clients or webmail? POP3 and webmail. > I'm not sure if you should worry about creating the indexes. If your > users use IMAP clients, just make sure you preserve UIDVALIDITY and UIDs > for messages, otherwise most of the clients will download all mails > again. UIDs are already taken care of and thoroughly tested. > If you were thinking about just generating dovecot-uidlist and the main > dovecot.index file, don't bother. Their creation is practically free. It's not for a mailbox which has 30k+ messages and inbox around 600MB in size. Takes a while to build the index, I have tested this already. First login and index creation takes around 4-6 minutes, then next one just few seconds. -- Maciej Poszywak