Best MX Layer Outbound Email Filtering Alternatives & Competitors in 2026

SmarterTools SmarterMail

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

SpamTitan Gateway

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

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.

EasyDMARC Email Auth for Gmail, Yahoo & Microsoft

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

Red Sift OnDMARC

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

Altospam Mailsafe

Cloud-based anti-spam solution filtering inbound email threats

INKY DMARC Monitoring

DMARC monitoring tool for email deliverability and brand protection

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

MailGuard

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

Sendmarc DMARC Compliance Platform

Platform automating DMARC compliance via record mgmt, reporting & policy enforcement.

TitanHQ Cybersecurity Bundles

Bundled cybersecurity solutions for MSPs and end users with email protection

Blaze Networks Blaze Screen

Managed email filtering service with threat detection and spam prevention

GLIMPS Email Security for M365

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

Halon

Composable email infrastructure platform with threat detection and AI ops.

SpamTitan

Cloud-based anti-spam and antivirus email filtering with AI threat detection.

SpamTitan for Office 365

Email security layer for M365 with anti-phishing, sandboxing, and DLP.

Sendmarc BIMI Management

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

TitanHQ Security Bundles

Tiered cybersecurity bundles combining email, DNS, backup & SAT.

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.

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

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

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

ESET Cloud Office Security

Cloud email security for Microsoft 365 and Google Workspace applications

TitanHQ SpamTitan

Email security platform blocking spam, phishing, malware, and viruses

Fortra Email Security & Anti-Phishing

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

Cybersentriq MX Email Threat Protection

MX-based email security platform using AI to block spam, phishing & malware

Sasa Software GateScanner

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

Vircom Email Security

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

Cyber Cops Email Security

Cloud-based email security service protecting against phishing, malware & BEC

Clearnetwork ContentCatcher

Cloud-based email security platform with DLP, encryption, and archiving.

Cybonet Mail Secure

Email security gateway with anti-spam, AV, sandboxing, and DLP.

Infortech Secure Managed Business Email

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

SourcetekIT Email Security Service

Managed email security service for Office 365 using Cisco's platform.

SpamTitan Cloud

Cloud email filter using block/allow lists and greylisting to reduce spam.

Vade (Hornetsecurity) 365 Total Protection

AI-powered email security platform for Microsoft 365 with backup & compliance.

Email Security Test by ImmuniWeb

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

LevelBlue Email Security

Managed email security service protecting against email-based threats

Bitdefender GravityZone Security for Exchange

Email security for Microsoft Exchange servers with antispam and antimalware.

Comodo Secure Email Gateway

Cloud-based email gateway with spam filtering, anti-phishing, and containment

Trustifi Inbound Shield

AI-powered inbound email security platform for phishing & malware detection

MDaemon Technologies MDaemon AntiVirus

Email antivirus and antispam solution for MDaemon email servers

Cloudmark Authority

Carrier-grade email security for ISPs blocking spam, phishing, and malware