For example, you could empty your Spam, Trash and Junk folders, and may even want to consider emptying your Draft and Sent folders, too. If you have a large number of messages in your Mail account, or regularly exchange particularly large attachments, then a rebuild may take a few hours or, in more extreme cases days.īefore you start a rebuild, it’s a good idea to take stock of just how many messages Mail is going to have to download, and consider whether you should take steps to reduce this number. Rebuilding your inbox requires Mail to delete and then redownload every message from your mail server.
“Rebuilding your mailbox” may sound complicated, but it’s a fairly straightforward process, where the only potential complication is how time-consuming and data-intensive some rebuilds can be. In this article, I’m going to share a technique that can resolve a huge range of bugs, errors and general strange behaviour you may encounter with the Apple Mail app – including the email attachment display error that so many Sierra users have been complaining about. If you’re experiencing any of the above issues, then don’t panic: this is just a display bug, so all of your attachments are still in your inbox, you just can’t see them! In fact, if you log into your email account via iCloud Mail then you’ll be able to view and access all of your email attachments, as normal. You cannot open any documents that are attached to encrypted emails.Email attachments initially appear to be working correctly, but they disappear as soon as you reply to the email, or attempt to move the email to a new folder.All email attachments received before you updated to Sierra are working as expected, but you’re not receiving any new email attachments.All email attachments you received before installing Sierra have vanished from your inbox and/or ‘Sent’ folder.The paperclip icon appears next to emails as normal, but the attachment disappears as soon as you open the email.
MacOS Sierra users have been reporting a wide range of strange behaviour with Mail accounts that are configured for IMAP access, but some of the most common issues include: After updating to macOS Sierra, some users are discovering that email attachments are no longer working correctly in their Apple Mail app.