# MailGuard alternatives and competitors (2026) The closest MailGuard alternatives are [Fortra Email Security & Anti-Phishing](https://cybersectools.com/tools/fortra-email-security-and-anti-phishing), [SmarterTools SmarterMail](https://cybersectools.com/tools/smartertools-smartermail) and [MX Layer Outbound Email Filtering](https://cybersectools.com/tools/mx-layer-outbound-email-filtering). Picking a MailGuard alternative comes down to fit: Email Security Platforms coverage, your environment, your integrations and your budget. So each option below shows what it covers, how it deploys, its pricing model and the company behind it. 37 alternatives. Closest matches: Fortra Email Security & Anti-Phishing, SmarterTools SmarterMail, MX Layer Outbound Email Filtering. ## The product [MailGuard](https://cybersectools.com/tools/mailguard) by MailGuard Cloud-based managed email filtering against phishing, ransomware & BEC. Category: [Email & Messaging Security](https://cybersectools.com/categories/email-security) · Pricing model: Commercial Need the answer fast? [Best Email Security Solutions for Business](https://cybersectools.com/shortlists/best-email-security-platforms) picks Proofpoint Core Email Protection, Microsoft Defender for Office 365, Mimecast Advanced Email Security and 4 more. ## MailGuard alternatives and competitors MailGuard is a commercial [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) solution made by MailGuard. The closest matches by shared tags and NIST CSF 2.0 coverage are [Fortra Email Security & Anti-Phishing](https://cybersectools.com/tools/fortra-email-security-and-anti-phishing), [SmarterTools SmarterMail](https://cybersectools.com/tools/smartertools-smartermail), [MX Layer Outbound Email Filtering](https://cybersectools.com/tools/mx-layer-outbound-email-filtering), [PowerDMARC Hosted DMARC](https://cybersectools.com/tools/powerdmarc-hosted-dmarc), and [SpamTitan Gateway](https://cybersectools.com/tools/spamtitan-gateway). All 37 alternatives on this page are ranked the same way. ## The closest MailGuard alternatives These 8 solutions overlap most with MailGuard. Each one says what the product does and, when the overlap is big enough, which capabilities it shares. ### 1. [Fortra Email Security & Anti-Phishing](https://cybersectools.com/tools/fortra-email-security-and-anti-phishing) (Featured) Email security platform protecting against phishing, BEC, and data loss [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: DMARC email authentication and enforcement, Business email compromise detection, Spear phishing protection, Account takeover detection, Data loss prevention for sensitive data [Fortra Email Security & Anti-Phishing alternatives](https://cybersectools.com/alternatives/fortra-email-security-and-anti-phishing) · [MailGuard vs Fortra Email Security & Anti-Phishing](https://cybersectools.com/compare/fortra-email-security-and-anti-phishing-vs-mailguard) ### 2. [SmarterTools SmarterMail](https://cybersectools.com/tools/smartertools-smartermail) Email server with antispam, antivirus, and security features for Linux/Windows [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 10 listed. See them on the [SmarterTools SmarterMail page](https://cybersectools.com/tools/smartertools-smartermail#features). Shares 3 capabilities with MailGuard: Spam Prevention, DKIM, SPF [SmarterTools SmarterMail alternatives](https://cybersectools.com/alternatives/smartertools-smartermail) · [MailGuard vs SmarterTools SmarterMail](https://cybersectools.com/compare/mailguard-vs-smartertools-smartermail) ### 3. [MX Layer Outbound Email Filtering](https://cybersectools.com/tools/mx-layer-outbound-email-filtering) Outbound email filtering platform for spam prevention and IP reputation mgmt [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 10 listed. See them on the [MX Layer Outbound Email Filtering page](https://cybersectools.com/tools/mx-layer-outbound-email-filtering#features). Shares 3 capabilities with MailGuard: Spam Prevention, DKIM, SPF [MX Layer Outbound Email Filtering alternatives](https://cybersectools.com/alternatives/mx-layer-outbound-email-filtering) · [MailGuard vs MX Layer Outbound Email Filtering](https://cybersectools.com/compare/mailguard-vs-mx-layer-outbound-email-filtering) ### 4. [PowerDMARC Hosted DMARC](https://cybersectools.com/tools/powerdmarc-hosted-dmarc) Cloud-managed DMARC record hosting with DNS-free policy management. [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 5 listed. See them on the [PowerDMARC Hosted DMARC page](https://cybersectools.com/tools/powerdmarc-hosted-dmarc#features). Shares 3 capabilities with MailGuard: Spam Prevention, DKIM, SPF [PowerDMARC Hosted DMARC alternatives](https://cybersectools.com/alternatives/powerdmarc-hosted-dmarc) · [MailGuard vs PowerDMARC Hosted DMARC](https://cybersectools.com/compare/mailguard-vs-powerdmarc-hosted-dmarc) ### 5. [SpamTitan Gateway](https://cybersectools.com/tools/spamtitan-gateway) Email security gateway appliance for spam/malware filtering and mail flow control. [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 10 listed. See them on the [SpamTitan Gateway page](https://cybersectools.com/tools/spamtitan-gateway#features). Shares 3 capabilities with MailGuard: Spam Prevention, DKIM, SPF [SpamTitan Gateway alternatives](https://cybersectools.com/alternatives/spamtitan-gateway) · [MailGuard vs SpamTitan Gateway](https://cybersectools.com/compare/mailguard-vs-spamtitan-gateway) ### 6. [Red Sift OnDMARC](https://cybersectools.com/tools/red-sift-ondmarc) Email authentication platform implementing DMARC, SPF, DKIM, and BIMI protocols [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 10 listed. See them on the [Red Sift OnDMARC page](https://cybersectools.com/tools/red-sift-ondmarc#features). [Red Sift OnDMARC alternatives](https://cybersectools.com/alternatives/red-sift-ondmarc) · [MailGuard vs Red Sift OnDMARC](https://cybersectools.com/compare/mailguard-vs-red-sift-ondmarc) ### 7. [INKY DMARC Monitoring](https://cybersectools.com/tools/inky-dmarc-monitoring) DMARC monitoring tool for email deliverability and brand protection [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 5 listed. See them on the [INKY DMARC Monitoring page](https://cybersectools.com/tools/inky-dmarc-monitoring#features). [INKY DMARC Monitoring alternatives](https://cybersectools.com/alternatives/inky-dmarc-monitoring) · [MailGuard vs INKY DMARC Monitoring](https://cybersectools.com/compare/inky-dmarc-monitoring-vs-mailguard) ### 8. [SpamExperts Incoming Email Filtering](https://cybersectools.com/tools/spamexperts-incoming-email-filtering) Email filtering service protecting against spam, viruses, and phishing. [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 10 listed. See them on the [SpamExperts Incoming Email Filtering page](https://cybersectools.com/tools/spamexperts-incoming-email-filtering#features). [SpamExperts Incoming Email Filtering alternatives](https://cybersectools.com/alternatives/spamexperts-incoming-email-filtering) · [MailGuard vs SpamExperts Incoming Email Filtering](https://cybersectools.com/compare/mailguard-vs-spamexperts-incoming-email-filtering) ## All 37 products like MailGuard The 8 above, plus: - [Sendmarc DMARC Compliance Platform](https://cybersectools.com/tools/sendmarc-dmarc-compliance-platform): Platform automating DMARC compliance via record mgmt, reporting & policy enforcement. (Commercial) - [EasyDMARC Email Auth for Gmail, Yahoo & Microsoft](https://cybersectools.com/tools/easydmarc-email-auth-for-gmail-yahoo-and-microsoft): Domain scanner & compliance tool for Gmail, Yahoo & Microsoft DMARC requirements. (Commercial) - [InboxSeguro](https://cybersectools.com/tools/inboxseguro): Domain email-sending monitoring with DMARC/SPF/DKIM inventory, alerts and guided DNS (Commercial) - [ESET Cloud Office Security](https://cybersectools.com/tools/eset-cloud-office-security): Cloud email security for Microsoft 365 and Google Workspace applications (Commercial) - [TitanHQ SpamTitan](https://cybersectools.com/tools/titanhq-spamtitan): Email security platform blocking spam, phishing, malware, and viruses (Commercial) - [Mimecast DMARC Analyzer](https://cybersectools.com/tools/mimecast-dmarc-analyzer): DMARC implementation & monitoring tool to prevent domain spoofing attacks (Commercial) - [Cybersentriq MX Email Threat Protection](https://cybersectools.com/tools/cybersentriq-mx-email-threat-protection): MX-based email security platform using AI to block spam, phishing & malware (Commercial) - [dmarcian DMARC Management Platform](https://cybersectools.com/tools/dmarcian-dmarc-management-platform): DMARC management platform for email authentication and domain protection (Commercial) - [Ironscales DMARC Management](https://cybersectools.com/tools/ironscales-dmarc-management): DMARC management platform for email authentication and domain protection (Commercial) - [Valimail Enforce](https://cybersectools.com/tools/valimail-enforce): Automated DMARC enforcement platform for domain protection and email security (Commercial) - [Mailinblack U-Cyber 360°](https://cybersectools.com/tools/mailinblack-u-cyber-360): Comprehensive email security & human risk mgmt platform with AI-powered protection (Commercial) - [Infonaligy Proofpoint Email Security](https://cybersectools.com/tools/infonaligy-proofpoint-email-security): Managed Proofpoint email security service for phishing & BEC protection. (Commercial) - [Iberlayer Email Guardian](https://cybersectools.com/tools/iberlayer-email-guardian): Cloud-based email security service that blocks spam, phishing, malware, and fraud attacks (Commercial) - [SorbSecurity Cloud Email Security](https://cybersectools.com/tools/sorbsecurity-cloud-email-security): Cloud-based email security platform protecting against phishing & ransomware (Commercial) - [Halon](https://cybersectools.com/tools/halon): Composable email infrastructure platform with threat detection and AI ops. (Commercial) - [Upfort](https://cybersectools.com/tools/upfort): Unified AI-powered cybersecurity & cyber insurance platform for SMBs. (Commercial) - [NoSpamProxy Protection](https://cybersectools.com/tools/nospamproxy-protection): Email gateway that blocks spam, phishing and malware before inbox delivery, made (Commercial) - [Cloudflare Cloud Email Security](https://cybersectools.com/tools/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. (Commercial) - [Cellopoint Cloud Email Security Solution](https://cybersectools.com/tools/cellopoint-cloud-email-security-solution): Cloud-based email security platform protecting against phishing, ransomware, BEC (Commercial) - [Trustifi AI Powered Email Security](https://cybersectools.com/tools/trustifi-ai-powered-email-security): AI-powered email security platform for threat detection and compliance (Commercial) - [MDaemon Technologies SecurityGateway](https://cybersectools.com/tools/mdaemon-technologies-securitygateway): Email security gateway protecting against spam, phishing, viruses & data leaks (Commercial) - [Bitdefender GravityZone Extended Email Security](https://cybersectools.com/tools/bitdefender-gravityzone-extended-email-security): Cloud-native email security platform with SEG and API-based protection (Commercial) - [Broadcom Symantec Email Security](https://cybersectools.com/tools/broadcom-symantec-email-security): Enterprise email security platform for cloud and on-premise deployments (Commercial) - [Mesh 365](https://cybersectools.com/tools/mesh-365): API-based email security platform for Microsoft 365 environments (Commercial) - [KnowBe4 Cloud Email Security](https://cybersectools.com/tools/knowbe4-cloud-email-security): AI-driven email security platform for Microsoft 365 inbound/outbound threats (Commercial) - [ConnectWise Email Security](https://cybersectools.com/tools/connectwise-email-security): Email security platform with AI threat detection, BEC protection, and DLP (Commercial) - [Netcraft DMARC Visualization](https://cybersectools.com/tools/netcraft-dmarc-visualization): DMARC visualization tool for email domain protection and authentication (Commercial) - [Cybonet Outbound Spam Guard (OSG)](https://cybersectools.com/tools/cybonet-outbound-spam-guard-osg): Carrier-grade outbound spam & botnet detection solution for ISPs. (Commercial) - [ID Agent Graphus](https://cybersectools.com/tools/id-agent-graphus): AI-powered anti-phishing platform for Microsoft 365 & Google Workspace. (Commercial) ## Alternatives to each of these [Fortra Email Security & Anti-Phishing alternatives](https://cybersectools.com/alternatives/fortra-email-security-and-anti-phishing) · [SmarterTools SmarterMail alternatives](https://cybersectools.com/alternatives/smartertools-smartermail) · [MX Layer Outbound Email Filtering alternatives](https://cybersectools.com/alternatives/mx-layer-outbound-email-filtering) · [PowerDMARC Hosted DMARC alternatives](https://cybersectools.com/alternatives/powerdmarc-hosted-dmarc) · [SpamTitan Gateway alternatives](https://cybersectools.com/alternatives/spamtitan-gateway) · [Red Sift OnDMARC alternatives](https://cybersectools.com/alternatives/red-sift-ondmarc) · [INKY DMARC Monitoring alternatives](https://cybersectools.com/alternatives/inky-dmarc-monitoring) · [SpamExperts Incoming Email Filtering alternatives](https://cybersectools.com/alternatives/spamexperts-incoming-email-filtering) · [Sendmarc DMARC Compliance Platform alternatives](https://cybersectools.com/alternatives/sendmarc-dmarc-compliance-platform) · [EasyDMARC Email Auth for Gmail, Yahoo & Microsoft alternatives](https://cybersectools.com/alternatives/easydmarc-email-auth-for-gmail-yahoo-and-microsoft) · [InboxSeguro alternatives](https://cybersectools.com/alternatives/inboxseguro) · [ESET Cloud Office Security alternatives](https://cybersectools.com/alternatives/eset-cloud-office-security) ## Other MailGuard products [MailGuard Email Security alternatives](https://cybersectools.com/alternatives/mailguard-email-security) · [MailGuard ImageGuard alternatives](https://cybersectools.com/alternatives/mailguard-imageguard) ## Compare MailGuard with - [MailGuard vs Fortra Email Security & Anti-Phishing](https://cybersectools.com/compare/fortra-email-security-and-anti-phishing-vs-mailguard) - [MailGuard vs SmarterTools SmarterMail](https://cybersectools.com/compare/mailguard-vs-smartertools-smartermail) - [MailGuard vs MX Layer Outbound Email Filtering](https://cybersectools.com/compare/mailguard-vs-mx-layer-outbound-email-filtering) - [MailGuard vs PowerDMARC Hosted DMARC](https://cybersectools.com/compare/mailguard-vs-powerdmarc-hosted-dmarc) - [MailGuard vs SpamTitan Gateway](https://cybersectools.com/compare/mailguard-vs-spamtitan-gateway) - [MailGuard vs Red Sift OnDMARC](https://cybersectools.com/compare/mailguard-vs-red-sift-ondmarc) - [MailGuard vs INKY DMARC Monitoring](https://cybersectools.com/compare/inky-dmarc-monitoring-vs-mailguard) - [MailGuard vs SpamExperts Incoming Email Filtering](https://cybersectools.com/compare/mailguard-vs-spamexperts-incoming-email-filtering) ## MailGuard Alternatives FAQ ### What are the closest alternatives to MailGuard? The closest matches to MailGuard by shared tags and NIST CSF 2.0 coverage are Fortra Email Security & Anti-Phishing, SmarterTools SmarterMail, MX Layer Outbound Email Filtering, PowerDMARC Hosted DMARC, and SpamTitan Gateway. All of them are Email Security Platforms products. ### How many alternatives to MailGuard are available? This page shows 37 alternatives to MailGuard, all in the Email Security Platforms category. Each one is matched on shared tags and NIST CSF 2.0 areas, and the closest matches rank first. ### Is MailGuard free or commercial? MailGuard is a commercial Email Security Platforms product. It needs a paid license or subscription. Only commercial alternatives are listed here. Free and open source products are under /free. ### What type of solution is MailGuard? MailGuard is a Email Security Platforms product in the Email & Messaging Security category. You can compare it with the 37 other Email Security Platforms products on this page. --- Source: https://cybersectools.com/alternatives/mailguard For AI agents: every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md, and any product or compare page has a Markdown copy too (add .md to its URL). More on MailGuard and its alternatives: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=alternatives-md