What is the difference between the Outbox and Sentbox?
I sent a message with about 10 attachments, but when I looked in my Sentbox it wasn't there. So I looked in the Outbox and I found it. If it is in the Outbox, does that mean it is not being delivered?
MACBOOK AIR (11-INCH, EARLY 2015), OS X El Capitan (10.11.5)