- Attack Surface Monitoring
- Authentication
- Compliance
- Cybersecurity
- Enterprise
- IT Governance
- Managed Services
- Market
Show all 14 topics
No article in the knowledge graph for Sendmarc yet.
Who is Sendmarc?
Sendmarc is a private IT services company focused on email security and data processing workflows that help organizations implement, monitor, and enforce domain-based email authentication controls.
- DMARC deployment, policy management, and reporting
- SPF and DKIM configuration support for domain authentication
- Domain and sender visibility across email ecosystems
- Threat detection focused on spoofing, impersonation, and phishing exposure
- Managed and advisory services for email security governance and compliance
Show more
More About Sendmarc
Sendmarc operates in the IT services market with a focus on securing enterprise email domains against spoofing and impersonation. Its offerings are typically used by security, infrastructure, and messaging teams that need centralized control over how a company domain is authenticated across internal systems and third-party senders. In enterprise environments, this work often sits alongside broader email security, identity, and security operations programs.
The company is associated with the core email authentication framework built around DMARC, SPF, and DKIM. These protocols let organizations specify which systems are allowed to send mail on behalf of a domain, cryptographically validate parts of messages, and publish handling policies for unauthenticated mail. A platform in this category generally combines DNS configuration guidance, aggregate and forensic reporting analysis, sender inventory, and workflow support for moving from monitoring to enforcement. That makes the service relevant in environments with complex mail flows, multiple SaaS platforms, and decentralized domain ownership.
Compared with secure email gateways, which primarily inspect inbound and outbound message content and routing, Sendmarc is aligned more closely with domain-authentication management and anti-spoofing control. It also overlaps with parts of broader attack surface monitoring when it identifies unauthorized senders or domains that create risk for brand impersonation. In practice, enterprises use this type of service to reduce phishing exposure, improve trust in corporate email, support supplier and customer communications, and align email operations with governance requirements.
Within its market, Sendmarc is best understood as a company delivering email authentication, monitoring, and related managed services inside the wider IT services and security operations landscape. Its active solution areas center on DMARC and adjacent email authentication controls, along with the reporting, analysis, and operational support needed to maintain those controls across enterprise messaging environments.
Our description of Sendmarc. Updated September 2026.
