Updated MPP Manager with following fixes and enhancements:

MPP GUI
- Signatures accept non-ascii characters
- Tooltip template updated
- Added support for qmail custom reject messages
- Added support for reject templates for smtp_rejection_tpl_if_greylist, smtp_rejection_tpl_if_spam_trap and smtp_rejection_tpl_if_spf

Qreview
- Fixed bug in import script for IE7 and 8
- Added archive/quarantine size per domain in status page
- Fixed bug in IMAP import script for incomplete messages