Best Sendmarc DMARC Managed Services Alternatives & Competitors in 2026

Sendmarc DMARC Management Platform

DMARC management platform for email auth enforcement across domains.

PowerDMARC

DMARC monitoring platform protecting domains from spoofing and BEC attacks.

Abnormal Messaging Security

Detects malicious content and URLs in Microsoft Teams and Slack messages.

Trustifi Account Takeover Protection

Monitors email user behavior with AI/ML to detect and block account takeover attacks

Outtake Verify

Browser extension that cryptographically signs emails to prevent BEC attacks

IntraLAN NetCare Guard365

M365 security monitoring with automated threat detection and password mgmt.

Abnormal AI Security Mailbox

AI-powered email security operations platform for automated threat triage

Abnormal Core Account Takeover Protection

Detects and remediates email account takeovers using behavioral AI analysis.

Cyvore Security

Workspace security platform for detecting phishing and impersonation attacks

Fluency Email Rule Change Workflow

AI-based workflow detecting suspicious email rule changes tied to BEC attacks.

BreachQuest

BEC protection platform for email threat detection and response.