journal archive email format and dlp issue

We exported the email from jorunal archive from DA as pst then convert to eml which will be scanned by Symantec DLP Network monitor, howerver the incident created no email address only sender name or recipent name.

The quesiton is when EV archived the email, which format it archived? Does it include the address or only name? From DA, there is an option to enable show the email address. See this KB: http://www.symantec.com/docs/TECH166289

Thanks.