On Tue, Jan 26, 2010, Michael J. Hußmann <[email protected]> wrote:
>> The other thing that I find tiresome with PowerMail's monolithic >> database is that the entire database needs to be backed up on a daily >> basis. With Apple Mail, the only mailboxes that get backed up in an >> incremental backup are the ones that have new emails. > >That might help if some mailboxes were updated much less frequently than >the others. In my case I don't really see how I could divide incoming >mail in such a way that all of the mailboxes wouldn't be updated on a >daily basis anyway. So while maintaining one or even more than one >message database does create issues with some backup strategies, I don't >see any obvious solution - one database per mailbox might be a better >solution for some users, but not for all. Storing messages as individual >files would solve this particular issue, but at the same time create >other issues. One option for this is to put your PowerMail folder on a sparsebundle disk image. The pieces are only 8 MB (if I recall correctly) and only the ones that change get copied at each Time Machine backup. Some of Apple's software use this approach. Regards.....Peter
