You are a messaging professional. Your company uses a Microsoft Exchange Server 2007 messaging system.
The company has deployed Edge Transport servers. The Edge Transport servers use the default anti-spam settings.
The SMTP Send connectors and Receive connectors are on an Edge Transport server for a subsidiary company.
The volume of spam increases significantly. In addition, an increase in the number of SMTP connections to the Edge Transport servers is reported.
You need to reduce the volume of spam without affecting the SMTP connections to the subsidiary company. You want to achieve this goal by using the least amount of administrative effort.
Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)
A.
Use the IP Allow List filters on the Edge Transport servers.
B.
Use the IP Allow List filters on the Hub Transport servers.
C.
Use the IP Allow List providers on the Hub Transport servers.
D.
Use the IP Block List providers on the Edge Transport servers.
E.
Use the IP Block List filters on the Edge Transport servers.