outlook users having "your imap server has closed the connection" problems
im running postfix on rhel4 and the problem is that all the outlook 2003 users connecting to it to check for mail get this error "your imap server has closed the connection. this may occur if you have ledt the connection idle for too long". This happens when left idol. Its happening to shared as well as non shared inboxes.
i've made sure that the server timeout period settings in outlook are as longest but still have the same problem. Can someones please help. It will be much appreciated. Kind regards |
more info
please let me know if there is mo info required- i heard on another website that it might be to do with the inbox format- ie if it was to be converted to mbx type then the users may not get the outlook error. But it was only a suggestion by someones and had not been tried.
Thanks in advance |
any idea on this?? im sure there are lots of people who have this problem?
regards |
the problem is that all the outlook 2003 users connecting to it to check for mail get this error "your imap server has closed the connection. this may occur if you have ledt the connection idle for too long".
Could retrieve the accompanying error number and look it up in the MS KB. |
help
Thanks Unspawn
thanks for your response. im amazed that no one has a problem as this one. In regards to your advise there is no such error given. It simpyy says imap has closed the connection. When i request for details i get the following description: Lost mailbox lock Protocol: IMAP Server: imap.ggls.edu Port: 143 Thats all! I think there is a setting somewhere in postfix, whereby i can increase the timout but am not sure where i can find this setting. I will be greatful if someone can point me in right direction. Thanks |
I had a similar problem with Courier-IMAP. That problem was solved by increasing MAXPERIP, the maximum number of connections per IP address, in the imapd config file.
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still no luck.....
unfortunately berhane i was unable to find such a parameter in postfix which will increase such a value. I still find it quite shocking that there are not many ppl out there who have this type of problem. Its getting quite annoying ot only for me but for the users as well. I hope i find an answer soon....
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little more info
I think i might know whats causing the problem:
It seems to me that this error of imap closing conenction only occurs to inboxes that are being accessed by more than one person at any one time. A test by myself proves that. This leaves the remaining question how can an email account in postfix_ procmail be configured for multiple users to access it at once without getting the annoying outlook error? any help?? |
The config file I was talking about is part of Courier-IMAP, not postfix. Which IMAP server are you using and how are you storing your mail (mbox, maildir?)
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Hello
Its stored as mbox. I read somewhere that i should try changing it to mbx format. This will allow better locking of the imap inbox allowing multiple ppl to access it at any one time. First of all, im not sure how easy that is and secondly what side affects this may have? any suggestions.. thanks in advance |
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hmmm, i really didnt think it was gonna be such a lengthy issue. So basically mbx is only supported by uw-imap?
Im not sure whether its worth changing mta? Im gonna just see how bad it gets. If i get more ppl complaining then i might just have to make some changes... thanks ne way for all the info....appreciate it. |
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I'm pretty sure it's an Outlook "feature" I use Dovecot and it has a specific workaround parameter for this and a couple of other client issues.
From dovecot.conf Quote:
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Putting aside problems that are specific to a particular imap client, concurrency is limited by the type of mailbox used. This is what the UW-IMAP documentation says about unix mbox:
Code:
. unix This is the traditional UNIX mailbox format, in use for nearly |
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