Apple Mail database size limit?

I recently screwed up my Entourage database by allowing it to get too big and lost a lot of info. I switched to Apple mail, which works fine, but am worried about same thing happening coz its getting big.
1. Is there a limit to the size of this database.
2. Is there any maintenance that needs to be done, like Entourage?

Douglas,
Back in October, Allan Sampson responded to a similar question you poised, and included a link -- that discussion can still be found at:
http://discussions.apple.com/message.jspa?messageID=718074#718074
An article, to which Allan linked, suggested that individual mailboxes should be kept below 2 GB -- the totality of the database (all mailboxes) has no limit other than disk space on the computer.
Mail has the command to remove attachments, but leave the text of messages, as well. Hope this helps.
Erasure of deleted messages is a good idea, and as Allan mentioned, a command to Rebuild a mailbox is available -- Rebuild causes Mail to redo its table of contents info, and is probably a good idea to use on occasion.
Ernie

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