Did you maybe try with function "Write-off Prepayment"?
http://www.hansamanuals.com/main/english/mailnumber___3396/theconf___516/manuals/levelzero___3393/version___71/hwconvindex.htm
Is it somehow possible to support such kind of address row in external email outgoing from SERP?
Sometimes we want to redirect the reply from recipient for particular e-mail address different from se...