Best SpamTitan for Office 365 Alternatives & Competitors in 2026

TitanHQ Cybersecurity Bundles

Bundled cybersecurity solutions for MSPs and end users with email protection

SpamTitan

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

SpamTitan Gateway

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

Bitdefender GravityZone Security for Exchange

Email security for Microsoft Exchange servers with antispam and antimalware.

ID Agent Graphus

AI-powered anti-phishing platform for Microsoft 365 & Google Workspace.

TitanHQ Security Bundles

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

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

Bitdefender GravityZone Extended Email Security

Cloud-native email security platform with SEG and API-based protection

OPSWAT MetaDefender Email Security

Email security platform protecting against phishing, malware, and exploits

MX Layer Outbound Email Filtering

Outbound email filtering platform for spam prevention and IP reputation mgmt

Mesh 365

API-based email security platform for Microsoft 365 environments

Cybersentriq MX Email Threat Protection

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

Vircom Email Security

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

GLIMPS Email Security for M365

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

SpamExperts Incoming Email Filtering

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

MailChannels cPanel Plugin

cPanel/WHM plugin for provisioning MailChannels email security for hosting customers.

MailChannels Outbound Filtering

Cloud SMTP relay for hosting providers to filter outbound spam & protect IP reputation.

Ocean Agentic Email Security Platform

Agentic AI email security platform that investigates emails pre-delivery.

Microsoft Defender for Office 365

Email and collaboration security for Microsoft 365 environments

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.

TrustLayer Mail

Email security platform with inline threat protection and compliant archiving

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

VIPRE Integrated Email Security (IES)

Email security platform for Microsoft 365 with AI-based threat detection

ConnectWise Email Security

Email security platform with AI threat detection, BEC protection, and DLP

SmarterTools SmarterMail

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

Mailinblack U-Cyber 360°

Comprehensive email security & human risk mgmt platform with AI-powered protection

Cybonet Mail Secure

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

Halon

Composable email infrastructure platform with threat detection and AI ops.

Sendmarc DMARC Management Platform

DMARC management platform for email auth enforcement across domains.

SpamTitan Cloud

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

Cisco Secure Email Threat Defense

Email threat protection for Microsoft 365 with advanced detection capabilities

Fortinet FortiMail Email Security

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

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

Mimecast Advanced Email Security

Email security platform protecting M365 & Google Workspace from threats

xorlab Email Security

AI-driven email security platform for detecting advanced email threats

LevelBlue Email Security

Managed email security service protecting against email-based threats

ESET Mail Security

Email security for Microsoft Exchange servers with anti-spam and anti-malware

Material Security Email Security

Cloud workspace security platform for email, files, and account protection

Comodo Secure Email Gateway

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

Fortra Email Security & Anti-Phishing

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

Altospam Mailsafe

Cloud-based anti-spam solution filtering inbound email threats

Egress Intelligent Email Security

Cloud email security platform for inbound/outbound threat detection & DLP

INKY Graymail Protection

Filters bulk and graymail to reduce email distractions and boost productivity

Trustifi Inbound Shield

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