Topic: Spf

Technical difficulties with the No Agenda newsletter led to high unsubscribe rates after an emergency plain-text email was sent from a personal address. The discussion covers the complexities of email deliverability, including the "toll" paid to whitelisting services and the necessity of proper DMARC, SPF, and DKIM settings. Experts like Void Zero are cited as potential resources for fixing these authentication issues.

The implementation of DMARC, SPF, and DKIM records has changed how email verification works, specifically impacting the ability to send mail from third-party aliases through Gmail. While these protocols combat spoofing, they also force users to maintain active accounts on the originating servers to ensure delivery. Recent certificate authority expirations on May 30th have further complicated global email and web traffic.

Russia and China are actively developing a cross-border payment system to reduce their dependence on the U.S. dollar and bypass transfer fees. Russia has completed the infrastructure for SPFS, an alternative to the SWIFT messaging system, which is intended to integrate with systems in China and Turkey. This move is a direct response to U.S. sanctions and the perceived weaponization of the global financial system.

As U.S. sanctions on Iran kick in, Russia is promoting its SPFS system as an alternative to the SWIFT payment network. India, Turkey, and China are reportedly engaging with this new network to facilitate oil trades outside of U.S. control. The hosts note that SWIFT is headquartered in Belgium and that technology is making traditional financial sanctions increasingly meaningless.