Resolves an issue that prevented display of messages and mailboxes in Mail.
Mail Version 9.1 (3096.5)
All MailBoxes On my Mac disappeared after OS X El Capitan v10.11.1 Update. Why? How to recover my previous MailBoxes?
I had a MailBox On my Mac called Import with several MailBoxes I imported from Outlook Express in my previous Windows PC. After the update all mailboxes disappeared. I'm also reading my Gmail and Yahoo Mail IMAP accounts using Mail.
MacBook Air (13-inch Late 2010), OS X El Capitan (10.11.1)