After successfully co-existing the two Servers.New Users that are created to use Exchange 2003 can send mail to Users
currently using Exchange 5.5.To enable the Exchange 5.5 Users see the new Exchange 2003 person in the Global Address Book am I right in thinking a two-way agreement from
the ADC will allow 5.5 Users to mail to an Exchange 2003 account without NDR's "Unknown Recipient" presenting themselves in the Inbox.
currently using Exchange 5.5.To enable the Exchange 5.5 Users see the new Exchange 2003 person in the Global Address Book am I right in thinking a two-way agreement from
the ADC will allow 5.5 Users to mail to an Exchange 2003 account without NDR's "Unknown Recipient" presenting themselves in the Inbox.