Enable Anti-Spam Functionality on a Mailbox Server

Anti-Malware Protection

How to setup Reverse DNS and PTR records

Create a Database Availability Group

Create a Database Availability Grouphttp://technet.microsoft.com/en-us/library/dd351172(v=exchg.150).aspx

SSL Certificates for Exchange Server 2013

Configure Internet Mail Flow Through a Subscribed Edge Transport Server

Modify the SMTP Banner on a Receive Connector

Set-ReceiveConnector -Identity "Internet Receive Connector" -Banner "220 SMTP OK" -ConnectionTimeout 00:15:00

Sender Policy Framework

openspf.org