Why SPF is so funky in today’s modern world

SPF (Sender Policy Framework) has been around for a long time and enjoys a rich history reaching back to 1997, with the SPF Project itself starting in June 2003. (a timeline history of SPF can be found here). However, there are some challenges with SPF's feedback and it is often misunderstood. We take a look at these…
Vaughn Talbert
21 March 2019

The History of SPF

Dec 14, 1997 Jim Miller sends Paul Vixie an email with his idea on verifying SMTP MAIL FROM address from means of outbound-smtp MX dns records. Note: This event and the date are not confirmed by public records and are based solely on information provided by Paul Vixie. Mar 27, 2000 – Public mention of the idea to create 'MS'…
Vaughn Talbert
18 March 2019
dmarcian Tools

dmarcian’s Timeline Feature

dmarcian’s platform gathers all of the disparate pieces of information about how your domain is utilized across the Internet (sources sending on your behalf, authorized or not, DNS records across vendors, etc.) and helps you make sense of it all. The Timeline provides a visual representation of your domain's DNS history which makes issues easy…
Vaughn Talbert
18 December 2018
Industry News

DK Hostmaster Workshop & Identifier Alignment

At a recent DK Hostmaster workshop, guest instructor Tim Draegen, CEO of dmarcian and one of the primary authors of DMARC, helped attendees better understand how DMARC makes use of authentication to improve email security using the well-known SPF and DKIM mechanisms, how DMARC’s reporting protocols help protect your email domains quickly and precisely, and…
Vaughn Talbert
5 December 2018

Webinar: A How-To Guide to Modernizing Your Phishing Defenses

In our last webinar, we discussed how phishing protection is a shared responsibility between the industry as a whole, organizations and their security teams, and the individual end user. In the 2nd webinar of our 3-part series, dmarcian CEO Tim Draegen and GreatHorn CEO Kevin O’Brien discuss the phishing defenses of an ideal organization and…
Vaughn Talbert
26 November 2018