An SPF record is a type of Domain Name System (DNS) record that identifies which mail servers are authorized to send email on behalf of your domain. SPF records help to prevent email spoofing, a type of cyber attack in which attackers send emails that appear to come from a legitimate source. Creating an SPF record for your domain is a relatively simple process. First, you will need to identify the mail servers that are authorized to send email on behalf of your domain. Next, you will need to create a text file that contains the SPF record. You will need to add the SPF record to your network's DNS records just like duocircle.com Adding an SPF record to your DNS records can be done using a variety of methods. The most common method is to use a DNS management tool provided by your domain registrar or DNS hosting provider . Alternatively, you can add the SPF record to your DNS zone file What is an SPF Record? An SPF record or SPF TXT record is a DNS record that belongs in your domain...