Bug 454416: MailUtility Cleanup

Change-Id: If645fd90d29778816a87c6f59da1dbf48f29e2f2
Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=454416
Reviewed-on: https://git.eclipse.org/r/37790
Tested-by: Hudson CI
Reviewed-by: Judith Gull <jgu@bsiag.com>
Bug 449487: New Extensibility Concept for Scout

Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=449487

FormData import corrected: the field id was shortened too much in some cases.