SPF Checks Become Part of Content Filter Tests
Posted by Hendry Lee on 08/31/07 in Email Authentication, Survey and Trends
Email marketers should begin attending to Sender Policy Framework (SPF) authentication to improve email deliverability.
A new study showed that SPF checks are becoming part of content filtering tests done by Internet service providers. These checks involve comparing the sender’s return path domain and the IP address to a list of approved IPs the sender includes […]
