[Dovecot] Possible fix to an old Thunderbird related problem

[Marc Perkel]

I spoke too soon. Thunderbird is still broken. And it's really frustrating.

Marc Perkel wrote:
> I think I might have finally fixed it. The problem was that the 
> max_cached_connections in Thunderbird defaults to 25 and I had login 
> process count set to 10. I think raising it to 25 ill fix it. Just 
> posting this in case others are having this problem.
>
> What was happening was that the message counts were increasing but the 
> messages didn't show up in the list. Or messages would appear to be 
> empty. Restarting Dovecot or restarting Thunderbird fixes the problem 
> temporarily. I'm hoping this annoyance will go away now.
>
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