Dovecot's Performance Tuning wiki page has a few tips and tricks to further improve performance. Keeping indices and maildirs on separate disks is a good thing to start with, if at all possible for you.
You could also evaluate switching to Dovecot's dbox storage format. This can be done with dbmail. I don't know how reliable dbmail is for a production environment, but since you already have virtualization working, you could set it up on another VM for testing purposes and see how it performs on your environment.
You don't mention the server specs And if you look at the server, can you tell what's being maxed out? If it's drive throughput you aren't going to get very far changing the server software. Turned out it was the disks bottlenecking on the end-systems I put a drive into a second IDE channel and did a direct DD, got the same transfer speeds.
If not those, you could look for ways to boost throughput using separate disks, separating mailboxes to different spindles, check and see if you can get any better throughput using hardware RAID mirroring I'm not sure how much of a boost in read times off the disks you can get , or possibly moving to higher-performing hard disks with lower latency and bigger caches.
Since you're using dovecot I presume you're already using it's indexing features? I'm not aware of anything at least, not anything free , that's faster than dovecot. Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group.
Create a free Team What is Teams? Learn more. Fast imap server for larger folders Ask Question. Asked 12 years, 2 months ago. Active 2 years, 5 months ago. Viewed 6k times. I'm using maildir on XFS. Improve this question. Thomas Thomas 1, 11 11 silver badges 14 14 bronze badges. I would suggest splitting these folders up.
It will be nicer for the user and for the server. I'm the user, and no it wouldn't be. Ping statistics for I guess I'll stick to GMX for the email. When I look up imap-mail. The only 1 that worked for the ping command was ns1a. And could the reason behind outlook imap being slow simply be that the DNS connected is not working?
I am the original OP who started this thread 2 years ago. I'm still getting slow imap speeds and random time-outs. I have since moved back to gmail. I really tried to love outlook. First of all, the new Outlook desktop app doesn't support Outlook. Is there any solution to this problem yet?
I have just set gmail sync via IMAP in my outlook. I am getting more e-mail on my phone which is flawless than laptop. Choose where you want to search below Search Search the Community. Search the community and support articles Outlook Outlook. I use a third party service called migrationwiz. I have about 1. That's the transfer speed for outlook. I figured that maybe, outlook. Still the speed hasn't improved. Does microsoft limit the transfer speed for paid accounts also?
The reason I'm asking is that it would take more than a week to migrate my messages at And if microsoft does indeed limit the speed by that much, I might actually not migrate to outlook. This thread is locked. You can follow the question or vote as helpful, but you cannot reply to this thread. I have the same question Report abuse. Details required :. Cancel Submit. Sign up or log in Sign up using Google.
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