In a fit of potential stupidity, I am trying to live off my MacBook Air for 6 months or so; I have imported most of my last few year’s worth of e-mail from my MH archive[1] and thereby have about 50,000 messages or so, the bulk on my disk, and the remainder on IMAP in 3 accounts.

I am using “Smart Mailboxes” to access the messages, and it is painful; the “Unread Counts” change randomly, or leap from zero to 1200, but reloading the mailbox settle down to a more reasonable “20”; if the Mailbox includes a boolean like “Message Is Unread”, the system can slow to a crawl…

Oh, and sometimes if you flick between mailboxes fast enough, you can get mails from one mailbox appearing inside the one next door. You need to be really careful with deletion. I suspect a temporary file is being used to hold message indices, and that the code is not thread-safe…

Does anyone know if there is a route for officially complaining about these bugs, and/or a bug open behind which we can throw weight? I’d rather like Mail.app to be able to scale to my needs…

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[1] use “packf” to create an mbox, and import the mbox; painless. I am not trashing MH completely, it’ll still manage my archive, but the amount of attachments and rich-text flying around at the moment, make it attractive – sad to say…