Peter Ford writes:
The problem is that half the company is on another site and connects through their ADSL router which masquerades the IP address. MAXDAEMONS=4000 is a bit over the top, I admit, but MAXPERIP needs to be big enough to potentially let the whole company come in on one IP - we might have a company meeting there...
Troels' post, and the link within to Mozilla's bugzilla, suggests there is a known problem with IMAP servers timing the connection out in under 29 minutes, which T-bird doesn't like. If there's an easy config to
The problem is that "ADSL router". It's broken.
change the timeout in Courier-IMAP then I might use that, otherwise I'll recommend waiting for a new release.
Courier does not timeout sessions in less then 30 minutes. Courier users the standard 30 minute timeout.
Your problem is a common one involving broken "routers" that break connections if they don't see any activity on the connection for a couple of minutes. It is normal for IMAP sessions to go 15-20 minutes without any activity. A broken router then convinces itself that the connection no longer exists, and breaks it.
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