pgp message deleted if key not found

When i send a message from outlook 2010/13  using [pgp] in subject and the key is not signed or nonegsistant email is deleted. Email is not saved in sent or drafts. User gets notification of failure but entire body of email is gone. For long emails this is abig problem.

I have looked for settngs

using windows 7 fully patched

outllook 2010 and 2013

Desktop encryption 10.3.2