The Sender Policy Framework (SPF) is essential for email verification, as it determines which mail servers have permission to send emails for your domain.
However, when companies utilize various third-party services such as customer relationship management systems, marketing applications, or cloud solutions, their SPF records can grow excessively long and surpass DNS lookup limitations. This can result in authentication failures that not only hinder email delivery but also expose your domain to potential misuse by cybercriminals aiming to execute spoofing attacks. [Read more…]