You'll need the listed MX and IP information in order to completely set up your customer.
Before You Begin
In order to successfully provision your customer, you will need to know the following:
Domain being protected by VIPRE Email Security
For example, vipre.com.
Destination IP address
This is the IP where we will deliver mail.
If you're using an on-premise server, this is most likely the IP address of your Exchange server. This is the address where your existing mail gets delivered to.
This could also be an Office 365 or Google Apps IP address.
Sending IP address
This is the IP where we will receive mail from – outbound filtering.
The reverse IP of the destination, above. If you're sending from an Exchange server you can find your public IPv4 by visiting http://www.whatismyip.com.