[Dovecot] Outlook 2010 very slow when using IMAP - are there any tweaks?

[Timo Sirainen]

On 2.7.2012, at 19.12, Kaya Saman wrote:

> what's really weird is that if I keep increasing the Cache TTL and
> Cache size, the speed of transfer starts dropping.

I think it may just be a coincidence that changing cache values appears to help, and the real reason maybe being just that Dovecot got restarted. Because if Outlook is using NTLM + winbind for authentication, the auth cache isn't used at all.