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This article, “PSA: Apple Mail Bugs Can Lead to Data Loss in macOS Catalina” first appeared on MacRumors. Have you had problems with Mail since updating to Catalina? Let us know in the comments below.

#Spamsieve catalina full

Regardless, Tsai’s advice to users who rely on Apple Mail is to “hold off on updating to Catalina for now.”Īffected readers can find the full breakdown of the issues here. That means, it can process my emails even when my Mac is not. It works similar to SpamSieve but it’s a cloud service instead of a plugin. Apple released ‌macOS Catalina‌ 10.15.1 beta to developers on Friday, but it’s still unclear if this version resolves the Mail app bugs. Apple is about to release macOS 10.15 Catalina and based on what I’ve seen in the betas, the junk mail filter in Mail.app still doesn’t integrate with iCloud. Tsai says he’s unsure whether these issues are due to Mail bugs or to other factors such as problems on the Mac or with the mail server. Since the data is synced to the server, these problems can also propagate to other computers and devices, and relying on backups is difficult because Mail data is continually changing and there’s no easy way to merge restored data with messages received since the last backup.ĭespite the latter risk, it’s still good practice to make backups, but Tsai notes that Apple Support appears to be erroneously advising users that lost Mail data in Catalina can’t be recovered from a Time Machine backup made using macOS Mojave.Īccording to Tsai, this is not the case: Apple Mail’s File -> Import Mailboxes… menu bar option can be used to selectively import them into Mail in Catalina as new local mailboxes.

#Spamsieve catalina mac os x

Tsai warns that these issues are particularly pernicious because users may not realize anything’s wrong unless they look at affected messages or mailboxes. SpamSieve adds Bayesian filtering capabilities to Mac OS X e-mail clients including Apple’s own Mail application, Emailer, Entourage, Eudora, Mailsmith and others. Michael Tsai, the developer behind Eaglefiler and SpamSieve for Apple mail on Mac, has written a warning for users.

#Spamsieve catalina update

And eventually this syncs back to the first Mac, where the message disappears as well. The Catalina update ditching support for 32-bit apps was no surprise. If the message was moved to a server mailbox, other devices see the message as deleted.

Moving messages between mailboxes, both via drag-and-drop and AppleScript, can result in a blank message (only headers) on the Mac. In addition, users have reported the loss of message content when moving emails between mailboxes.

Michael Tsai, the developer of EagleFiler and the SpamSieve plug-in for Apple Mail on Mac, has written a blog post warning macOS users about potential data loss in Mail when upgrading to macOS Catalina 10.15.0 (build 19A583).Īccording to Tsai, he’s heard from several users that updating Mail’s data store from Mojave to Catalina sometimes says that it has succeeded, when in fact on closer inspection it turns out that large numbers of messages are incomplete or missing entirely.