Back in October 2019, Microsoft included ARC support in their Microsoft 365 Roadmap, stating that “[ARC] is now enabled for Office 365 hosted mailboxes.” But at that time it could only be used between Office 365 tenants, or from Microsoft’s in-house services. However in June of 2022 they made it possible for each tenant to […]
Over the course of 2021 the number of valid DMARC policies observed in use rose by 84%, to a total of nearly 5 million unique records, compared to the prior calendar year. This doubles the percentage increase seen in 2020, and reflects an acceleration of growth in the second half of the year. Starting with […]
On January 30th of 2012, fifteen organizations announced the working group they had formed, and the first version of the protocol they had produced. This was the public kickoff of both DMARC.org and the DMARC protocol. It would grow from just 450 published sending domain policies and 2 billion protected mailboxes after one year, to […]
Brand Indicators for Message Identification (BIMI) enables email senders to have a logo or image of their choosing displayed next to email messages they send to participating mailbox providers. BIMI builds on DMARC and related email authentication standards to ensure that only messages authorized by those senders display such images, so it frequently comes up […]
The number of valid DMARC policies observed in the DNS increased by 28% over the first half of 2021, to a total of 3.46 million, based on analysis of data supplied by Farsight Security. This was double the growth rate during the same period in 2020, when roughly 330,000 new records reflected a 17% increase […]
The number of valid DMARC policies observed in the DNS increased by 42.9% over the course of 2020, to a total of 2.7 million, based on analysis of data supplied by Farsight Security. While this represents robust growth in DMARC adoption, it is significantly lower than the 250% to 300% observed over the previous few […]
The Japan Anti-Abuse Working Group (JPAAWG) held its third annual meeting virtually from Tokyo, Japan on November 11th and 12th, 2020. DMARC.org director Steve Jones was invited to provide a brief video update on DMARC adoption, and the slides from that presentation are now available for download. The update covers a a few highlights from […]
The third JPAAWG General Meeting will be held on November 11th and 12th in a virtual format. An exciting program has been organized, and will once again feature an update on DMARC adoption and standards developments from DMARC.org, as well as keynotes from M3AAWG and sessions with leading industry figures from across Japan and the […]
The Japan Anti-Abuse Working Group (JPAAWG) held its second annual meeting in Tokyo, Japan on November 14th and 15th, 2019. DMARC.org director Steve Jones was invited to give a general update on DMARC and related matters, and the slides from that presentation are now available for download (with notes). The update covers a number of areas, including two new publications from the […]
The Authenticated Received Chain (ARC) was designed to address situations where email messages that are forwarded, and in some cases altered, will no longer pass email authentication checks. After spending 3 years as a work item in the IETF‘s DMARC Working Group, the specification was published as RFC 8617 (HTML, PDF, plain text) on July […]