My Apple email has stopped storing sent email.
My Apple email has stopped storing sent email. How do I reinstate storage?
MacBook Air, OS X Yosemite (10.10.5)
Try rebuilding the mailbox.
If that doesn't work, try re-indexing the mailboxes. This can take awhile if you have a lot of mail.
Reindex messages For El Capitan, try looking in V3.
Reindex messages (2) See post by Linc Davis