ok, can I ask you from now start using the code-tags when you post code.
it rather hard to find your comments in the midst [Wink]

ok, how come you assume or know the putEx takes the e-mail addy as array?

anyway, this:
code:
$OMailbox=$ObjUser.GetEx("otherMailbox")
$IMax=UBound($oMailbox) $IMax ?
ReDim Preserve $oMailbox[$IMax]
$oMailbox[$IMax]="smtp$$xx@@test.dk"
seems to me just the same as:
code:
$OMailbox=$ObjUser.GetEx("otherMailbox")
$oMailbox[UBound($oMailbox)]="smtp$$xx@@test.dk"
_________________________
!

download KiXnet