We have a 3750X switch stack in one building and it is connected to another building using Ten gig portchannel to a 7K.  DHCP traffic has been sniffed and confirmed that the offer packet makes it to the 3750X but it doesn't make it to the switchport ...

Can the SMTP domain be different than the OS domain?  Obviously we are running into the same issue as everyone else regarding SMTP domain being the same as the exchange environment.  If I just make the SMTP domain differnet than the OS domain, will t...