1. Modify the MX records
                            Remove any existing MX records and add the following new MX record:
                            
                            mx5.iedgemail.com
                        
Note: Set the priority of the MX record to a value of 10
2. Modify the TXT record
                            Remove the existing TXT record and add the following new TXT record:
                            
                            v=spf1 include:spf.iedgemail.com -all