Hello: I am trying to setup an inbound smtp filter to only allow
traffic from our email filtering service, Postini. THe tech at Postini
gave me there network address as So I went in to
imanager to alter the smtp inbound filter, this time specifying the
source as a network. For postini I used a network address of
with a mask of But I get an error with these settings.

Can someone point out what I am doing wrong??

Thanks, Chris.

BM3.8sp4 running on OES 1 sp1.