Best Sendmarc DMARC Compliance Platform Alternatives & Competitors in 2026

Red Sift OnDMARC

Email authentication platform implementing DMARC, SPF, DKIM, and BIMI protocols

INKY DMARC Monitoring

DMARC monitoring tool for email deliverability and brand protection

SmarterTools SmarterMail

Email server with antispam, antivirus, and security features for Linux/Windows

MX Layer Outbound Email Filtering

Outbound email filtering platform for spam prevention and IP reputation mgmt

dmarcian DMARC Management Platform

DMARC management platform for email authentication and domain protection

Ironscales DMARC Management

DMARC management platform for email authentication and domain protection

Infonaligy Proofpoint Email Security

Managed Proofpoint email security service for phishing & BEC protection.

PowerDMARC Hosted DMARC

Cloud-managed DMARC record hosting with DNS-free policy management.

MailGuard

Cloud-based managed email filtering against phishing, ransomware & BEC.

Sendmarc BIMI Management

Manages BIMI records, logo hosting, VMC/CMC certs, and DNS config for email branding.

SpamTitan Gateway

Email security gateway appliance for spam/malware filtering and mail flow control.

EasyDMARC Email Auth for Gmail, Yahoo & Microsoft

Domain scanner & compliance tool for Gmail, Yahoo & Microsoft DMARC requirements.

GLIMPS Email Security for M365

AI-based email security for M365 with phishing, BEC & malware detection.

Email Security Test by ImmuniWeb

A free online tool that tests email server security by evaluating server configurations

Altospam Mailsafe

Cloud-based anti-spam solution filtering inbound email threats

Halon

Composable email infrastructure platform with threat detection and AI ops.

Sophos Email

Email security platform with phishing/BEC protection and MDR/XDR integration

Zivver Secure Business Email

All-in-one email security platform for threat protection and compliance

Proofpoint Threat Protection

Email security platform with AI-based threat detection and DLP capabilities

AnubisNetworks Email Security

Email security platform protecting against fraud, malware, and spam threats

Fortra Email Security & Anti-Phishing

Email security platform protecting against phishing, BEC, and data loss

Vircom Email Security

Email security platform enhanced with multi-tenant mgmt & automation tools

Suped

Email deliverability platform that provides DMARC monitoring

SorbSecurity Cloud Email Security

Cloud-based email security platform protecting against phishing & ransomware

Mesh Gateway

Email security gateway protecting against phishing, BEC, and email-borne threats

TitanHQ Cybersecurity Bundles

Bundled cybersecurity solutions for MSPs and end users with email protection

dmarcian DKIM Record Checker

DKIM record validation tool that verifies public key DNS configuration

Sasa Software GateScanner

File-based threat protection using CDR across email, file transfer, and media

SpamExperts Incoming Email Filtering

Email filtering service protecting against spam, viruses, and phishing.

Infortech Secure Managed Business Email

Managed business email service on MailEnable with security & no per-mailbox fees.

Upfort

Unified AI-powered cybersecurity & cyber insurance platform for SMBs.

AI-Powered Email Security & DMARC Protection

AI-powered DMARC monitoring and email authentication security platform

Cisco Secure Email Threat Defense

Email threat protection for Microsoft 365 with advanced detection capabilities

Microsoft Defender for Office 365

Email and collaboration security for Microsoft 365 environments

Fortinet FortiMail Email Security

AI-powered email security platform protecting against phishing, BEC, and ATO

Cloudflare Cloud Email Security

Cloudflare Cloud Email Security is a cloud-based email protection service that safeguards organizations against phishing, malware, spam, and other email-borne threats through integrated threat detection and prevention capabilities.

Cellopoint Cloud Email Security Solution

Cloud-based email security platform protecting against phishing, ransomware, BEC

INKY Behavioral Email Security Platform

Behavioral email security platform protecting inbound, outbound, and internal mail

Hornetsecurity 365 Total Protection

Comprehensive M365 security suite with email protection, backup, and compliance

Hornetsecurity Advanced Threat Protection

AI-powered email security platform protecting against advanced threats

odix FileWallTM for Microsoft 365

File-based threat protection for Microsoft 365 using CDR technology

Mimecast Advanced Email Security

Email security platform protecting M365 & Google Workspace from threats

GreatHorn Email Security

Cloud-native email security platform for phishing detection and response

Trustifi AI Powered Email Security

AI-powered email security platform for threat detection and compliance

MDaemon Technologies SecurityGateway

Email security gateway protecting against spam, phishing, viruses & data leaks

MX Layer Email Security

Cloud-based email security platform with AI-powered threat detection

Trend Micro Trend Vision One™

AI-powered email and collaboration security platform for threat detection

ESET Cloud Office Security

Cloud email security for Microsoft 365 and Google Workspace applications