Summary:

Emails filed through exchange plugin not putting attached documents into documents library

Symptoms:

If an email with two recipients and an attachement is filed accross to CRM, the destination the second email is filed to will not insert the document into the document tab. The first email will work correctly

Status:

This issue has been fixed in 7.2f which is due for release at the end of September 2014

More information:

The documents are still accessible through the communication that was filed with the emails.