Sender Authentication with DKIM and SPF

Sender authentication technologies like DomainKeys Identified Mail (DKIM) and Sender Policy Framework (SPF) not only help control spam but also improve deliverability of legitimate messages. Consequently, these systems are of interest to both email administrators and email marketers. What is sender authentication? In the most general sense, sender authentication measures the validity of a message source, and this information is … Read more

Implementing Sender Policy Framework (SPF)

Ever received a spam message supposedly from yourself or another existing or non-existing account at your domain? If so, you’ve experienced email spoofing where messages are forged or made to appear as though they originate from your server. If you’re the email administrator for your domain, you certainly know the frustration trying to explain to … Read more