dmarcian ToolsIndustry News

What is DMARC.IO?

As presented in the post, The Importance of Sources in DMARC, source information is displayed in several places. Most are within dmarcian’s application itself, but there’s one external repository - DMARC.IO The purpose of this resource is to help operators, developers, deployers – essentially anybody that deals with DMARC in one way or another – by providing information that is classified into four categories: Email sources - infrastructures that send email on behalf of other domains Email forwarders - services…
Vaughn Talbert
23 May 2019

Understanding Shadow IT

For those who’ve been doing IT long enough to remember using a green display monitor also remember a time when everything was locked down and centralized. During the early 1980s, Local Area Networks became more popular and with them came decentralization, allowing other internal departments within an organization to take control of their IT requirements directly, and Shadow IT was born! “Shadow IT” is the use of IT-related hardware or software products within an organization without the knowledge of the…
Vaughn Talbert
23 May 2019
Industry NewsPress Release

dmarcian Makes the Internet Society’s Online Trust Alliance Honor Roll

April 29, 2019 – dmarcian Inc. Brevard, NC– today announced that it has been named to the Internet Society’s latest Online Trust Alliance (OTA) Audit and Honor Roll. The Audit and Honor Roll is the de facto standard for recognizing website excellence in consumer protection, security, and responsible privacy practices for the world’s top companies. “dmarcian and the Online Trust Alliance share a vision for a safer Internet. The OTA has long supplied much needed advocacy and guidance for organizations looking…
Vaughn Talbert
30 April 2019
dmarcian Tools

Easy Guide to Adding DMARC to Office 365

Microsoft's Office 365 platform supports DMARC (Domain-based Message Authentication, Reporting, and Conformance). This protocol prevents spammers from illegitimately using your domain and sending email with a "From" address that makes email appear to come from someone in your domain. The impact of spammers illegitimately using your domain to send spam or junk email negatively affects your domain quality and domain reputation. The complete Microsoft guide is listed here.The starting point is to review the SPF and DKIM settings as an…
Vaughn Talbert
21 March 2019

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 issues, and at the barriers that are keeping SPF from being better A notable issue with SPF is that the people deploying it have to…
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' (mail sender) DNS records Bill Cole mentions on usenet newsgroup dedicated to discussions of spam an idea to create 'MS' (Mail Sender) DNS records to…
Vaughn Talbert
18 March 2019