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irishmart
Newbie
Joined: 23 March 2011
Location: Ireland
Online Status: Offline
Posts: 3
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| Posted: 23 March 2011 at 4:48am | IP Logged
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Hi there
Ive just installed Webmail Lite php on linux ( running imap and smtp). It
installed fine, and the speed is fantastic. One problem Ive not been able to
solve as yet:
If I login as a user accessing a remote mail server which has the users home
directory locally created all is ok
If I login as a user accessing a remote mail server which has the users home
directory mounted from another server ( NAS box) on nfs, it takes a long time to
load ( even though it authenticates via imap fine eventually ) and times out
before displaying any messages.
Is there a way to get NFS home directories to work here, as most/all of our
users use this system
Many thanks in advance
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Igor
AfterLogic Support
Joined: 24 June 2008
Location: United States
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Posts: 6088
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| Posted: 23 March 2011 at 4:52am | IP Logged
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I don't see what this has to do with users' home directories? WebMail accesses mailboxes via IMAP,
and as long as this can be done, it doesn't matter how exactly users' directories are accessed.
I'd suggest to try the Pro edition, version 6 has multiple optimizations specifically targeted at
IMAP-related performance. We are going to update Lite to v6 soon.
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Regards,
Igor
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Igor
AfterLogic Support
Joined: 24 June 2008
Location: United States
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Posts: 6088
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| Posted: 23 March 2011 at 4:54am | IP Logged
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Have posted the response in wrong section, should be in place now.
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Regards,
Igor, AfterLogic Support
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irishmart
Newbie
Joined: 23 March 2011
Location: Ireland
Online Status: Offline
Posts: 3
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| Posted: 23 March 2011 at 4:59am | IP Logged
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Thanks igor.
If I change the home directory path of one of these users from an NFS one to a
local one, the problem goes away. If I insert it back, the problem reappears.
Looks like some sort of lookup is done ( maybe for folders) before displaying the
messages, that iut doesnt like with NFS. But I'll try out the Pro edition and see
whether it sorts the problem, if so waiting for V6 might solve my problems!
Many thanks again
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Igor
AfterLogic Support
Joined: 24 June 2008
Location: United States
Online Status: Offline
Posts: 6088
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| Posted: 23 March 2011 at 5:48am | IP Logged
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I have discussed this with the developers here, and it sounds like it could be the issue of NFS itself, if
its old version is used. When you access the account via IMAP, WebMail performs a number of prefetching
operations which can run pretty much simultaneously, and that might become a problem for locking used on NFS.
You can disable prefetching by tweaking js/common/defines.js file:
Setting this to false is known to resolve some performance-related issues. Of course, you'll need to
clear browser cache to make the update work.
--
Regards,
Igor, AfterLogic Support
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irishmart
Newbie
Joined: 23 March 2011
Location: Ireland
Online Status: Offline
Posts: 3
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| Posted: 29 March 2011 at 7:24am | IP Logged
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Thanks Igor,
Ive gotten it to work now :) The UsePrefetch option did not work for me. However
taking your point about nfs versions, the mail server i was testing with was
rather old. Trying with my soon to be implemented server with the latest version
of NFS, works a treat. So I'll implement webmail lite with the nre server
implementation. Many thanks for all of your help
Regards
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Topic: Webmail Lite and NFS mounted home dirs
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