SQL errors with large inboxes

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Hello, I recently started taking a look at RoundCube to handle me webmail and must say that I really like the interface. Much cleaner and easier to use than any webmail I've seen to date (including commercial varieties).

One problem I noticed immediately, however, is that I get SQL errors with large mailboxes. I'm not sure exactly what the upper limit is, but I had 2000+ emails in my inbox and it seems that roundcube was attempting to issue a very large insert into the cache table. That entry failed.

I moved some mail around to see if it was an issue w/ the number of emails in my inbox and was able to get the error to go away by reducing the size of my inbox. As I said, I don't know what the upper limit is, but for mailboxes with only a couple hundred emails in them it works just fine.

I'm running: RoundCube v0.1-20051021 Apache 2.0.54 PHP 4.4.0 MySQL 4.1.14

Thanks,

• --Ben