dmarcian is a cybersecurity company founded in 2012 by one of the primary authors of the DMARC specification. The company provides tools, services, and expertise to help organizations deploy and manage DMARC (Domain-based Message Authentication, Reporting, and Conformance) email authentication protocols to protect domains from phishing and abuse. The company offers a platform that helps organizations monitor and analyze email authentication data, classify email sources as DMARC-capable or non-compliant, and guide users through the process of achieving DMARC enforcement policies. Their services include expert support, deployment guidance, and educational resources to make DMARC implementation accessible to organizations of all sizes. dmarcian serves a diverse customer base including banks, internet properties, governments, marketing agencies, telecommunications companies, and commercial enterprises globally. The company operates offices in North America, Europe, and Asia Pacific and is fully self-funded. In May 2022, dmarcian launched DMARC Academy, a free comprehensive curriculum for learning DMARC deployment and its underlying technologies (SPF and DKIM). The company actively participates in industry organizations including the IETF DMARC working group, M3AAWG, Global Cyber Alliance, and the Internet Society. dmarcian is a B Corporation certified company and member of 1% for the Planet, reflecting its commitment to social and environmental responsibility alongside its technical mission.