Authentication Settings for Sender Policy Framework

If you use the email delivery service to deliver email, information is provided that allows you to use SPF authentication to certify that the sender is legitimate.

Register the following values on the DNS server that you use to manage the domains of source email addresses:

Table 1. Settings for SPF Records
Setting Target Settings
Record Type TXT
Record Value v=spf1 -all
Note: If the record already exists, add the following value: ""