What is the spf record?
What is the spf record?
If you would like to understand what is the spf record, you can find all the technical information here:
http://blog.mailrelay.com/en/2012/01/23/spf-protocol-an-ally-in-the-fight-against-spam
http://blog.mailrelay.com/en/2012/01/23/spf-protocol-an-ally-in-the-fight-against-spam