I've run into a similar problem. I'm not sure if this is the saame as
the one posed by mmgiath. In my case, I send a photo via email (Outlook
2010 client) but after hitting "Send" a copy of the email does not get
deposited into the Sent Items folder of the client. I've taken to blind
cc'ing myself to insure that the email was sent because otherwise there
is no confirmation in the client.