MailGuard
- Company typePrivate
- Founded2001
- HeadquartersSouthbank, Australia
- Headcount1–10
- GTM typeB2B
- OfferingSoftware
What MailGuard does
MailGuard is an Australian cloud email security company founded in 2001 and headquartered in Melbourne, operating as a subsidiary of holding company GlobalGuard. The company sells a per-user subscription platform that detects and blocks email-borne threats — ransomware, phishing, spear-phishing, Business Email Compromise, and other zero-day attacks — using proprietary heuristic algorithms developed over more than two decades, augmented by machine learning and a generative AI layer added in 2025. The platform is co-built with Microsoft and designed to stack with Microsoft 365 and Google Workspace, with additional support for Zimbra and Microsoft Exchange environments.
The product suite is structured as a core service (MailGuard predictive email security) plus three add-on modules: MailGuard Live for email continuity during outages, SafeGuard for compliance archiving, and ImageGuard for real-time image monitoring. MailGuard sells through a hybrid go-to-market combining direct enterprise sales, a channel partner program aimed at managed service providers and security advisors, and a product-led 14-day free trial with self-service signup. Customer support is delivered 24/7 from Australia with US and UK regional centers.
MailGuard serves a diversified mid-market and enterprise base across Australia and select international markets, with named customers including Porsche, Bakers Delight, Tap Oil, Melbourne Zoos, VVTA, Lincraft, Findex, and Grollo Group. The company holds ISO/IEC 27001:2022 certification and maintains GDPR and CCPA compliance posture, supporting sales into regulated buyers. Infrastructure is multi-cloud, hosted across AWS, Microsoft Azure, IBM Cloud, and Equinix Australia datacenters for redundancy and global reach.
MailGuard firmographics
Firmographics- Name
- MailGuard
- Legal name
- MailGuard Pty Ltd
- Website
- https://mailguard.com.au
- Company type
- Private
- Founded year
- 2001
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Ownership category
- akta.pro rank
MailGuard industry classification
Industry- Product category
- Email Security
- NAICS
- Security Systems Services (except Locksmiths) (561621)
- SIC
- Services-Prepackaged Software (7372)
- akta.pro primary industry
- Email & Collaboration Threat Detection/Response (ICR/CTDR) (HDADAKAI)
Keywords
Where MailGuard is headquartered
LocationHeadquarters
- HQ city
- Southbank
- HQ country
- Australia
- HQ region
- Oceania
Offices4 records
Markets served
MailGuard business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Infrastructure, Personnel, Marketing or Sales, Operations
Revenue model
- Email Security Subscription Services: MailGuard generates revenue through recurring subscription fees for cloud-based email security services. Customers pay per staff member per month for access to the MailGuard protection platform including threat detection, MailGuard Live continuity, SafeGuard archiving, and ImageGuard monitoring services. Subscriptions are typically billed annually or monthly with tiered pricing based on organization size.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Freemium | Pay-as-you-go | 14-day free trial available for new customers |
Go-to-market motion3 records
Distribution channels4 records
Marketing channels7 records
MailGuard product offering
Product offeringCore offering
MailGuard delivers predictive, cloud-based email security that intercepts malware, ransomware, phishing, spear-phishing, and Business Email Compromise threats before they reach Microsoft 365 and Google Workspace inboxes. The platform combines proprietary heuristic engines with machine learning and generative AI to score every email in real time and is offered as a subscription-based managed service alongside continuity, archiving, and brand-image monitoring products.
Product overview
MailGuard offers an integrated suite of cloud-based email security solutions delivered as a platform-plus-modules architecture. The core MailGuard product provides AI-powered predictive email security using proprietary heuristic algorithms, ML, and generative AI to detect zero-day threats. This core platform is supported by complementary modules: MailGuard Live (email continuity and recovery), SafeGuard (archiving and compliance), and ImageGuard (image monitoring and compliance). All solutions are designed to be co-built with Microsoft and uniquely stackable with Microsoft 365 and Google Workspace, providing 360-degree protection for email environments.
Differentiator
Problem solved
Functional benefit
Brands
- MailGuard: Core predictive email security platform using proprietary heuristic algorithms, ML, and generative AI to detect zero-day threats like ransomware, phishing, spear-phishing, and Business Email Compromise.
- MailGuard Live
- SafeGuard
- ImageGuard
Products and services
- MailGuard
- MailGuard Live
- SafeGuard
- ImageGuard
Quantifiable outcome
- Stops email threats hours faster than traditional, legacy vendor solutions
- +3 more outcomes
Companies that use MailGuard
Customer profileNamed customers8 records
Segments5 records
Ideal customer profiles2 records
MailGuard technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration7 records
AI capability6 records
Feature6 records
MailGuard partnerships and signals
Strategic signalPartnerships
Six partnerships are on record, tiered core.
- MicrosoftcoreMailGuard solutions are co-built with Microsoft and uniquely stackable with Microsoft 365 and other Microsoft platforms. The partnership enables seamless integration providing defense-in-depth email security for Microsoft 365 environments. Satya Nadella, Microsoft CEO, has publicly endorsed MailGuard's approach to cybersecurity innovation.
- Google WorkspacecoreMailGuard provides additional security layer for Google Workspace users, designed to stack seamlessly with Google's native email security capabilities.
- AWS (Amazon Web Services)coreMailGuard infrastructure is hosted on AWS cloud infrastructure as part of a multi-cloud hosting strategy ensuring reliability, scalability, and global reach.
- AzurecoreMailGuard infrastructure is hosted on Microsoft Azure cloud datacenters as part of multi-cloud hosting strategy.
- IBM CloudcoreMailGuard infrastructure is hosted on IBM Cloud datacenters as part of multi-cloud hosting strategy for redundancy and reliability.
- Equinix AustraliacoreEquinix Australia datacenters host part of MailGuard infrastructure with certifications for ISO/IEC 27001:2013, 27017:2015, 27018:2019, and ISO/IEC 9001:2015 compliance.
Scale indicators5 records
Recent moves6 records
Expansion highlights5 records
MailGuard competitors and assessment
Company assessmentDirect peers
- Mimecast: Cloud-native email security, archiving, and continuity vendor with a near-identical product portfolio to MailGuard (threat protection, MailGuard Live-equivalent continuity, SafeGuard-equivalent archiving). Closest direct competitor for M365 and Google Workspace add-on security.
- Proofpoint: Leading enterprise email security platform offering anti-phishing, BEC protection, archiving, and continuity. Direct competitor to MailGuard across M365 and Google Workspace environments with overlapping product suites (core protection, continuity, archiving).
- Barracuda Networks: Provides email security, archiving, and backup with strong MSP channel distribution. Competes head-to-head with MailGuard in the mid-market and MSP-led segment, particularly on Microsoft 365 protection.
Emerging players
- Abnormal Security: AI-native email security platform focused on BEC, phishing, and account takeover. Competes with MailGuard on AI-driven threat detection for M365 environments, particularly in the enterprise segment.
- IRONSCALES: AI-powered phishing and BEC protection platform with self-learning capabilities. Overlaps MailGuard's core detection layer, particularly for mid-market M365 customers.
- Cofense: Phishing detection and response vendor combining technology with human-intelligence-driven threat feeds. Overlaps MailGuard on phishing and BEC protection, especially in regulated verticals.
- Avanan (acquired by Check Point): API-based email security for M365 and Google Workspace that stacks on top of native filters. Direct competitor to MailGuard's 'uniquely stackable' positioning with comparable architecture.
- KnowBe4: Security awareness and phishing simulation platform. Adjacent competitor covering the human-layer defense MailGuard addresses primarily through technology rather than training.
Broad incumbents
- Sophos: Broad cybersecurity vendor with email security, endpoint, and network protection. Competes with MailGuard in MSP-led mid-market deployments where Sophos bundles email security into a wider security stack.
- Microsoft Defender for Office 365: Native email security bundled into Microsoft 365. Represents the baseline MailGuard stacks on top of; positioning MailGuard as 'defense-in-depth' against Microsoft's own protection is core to its value proposition.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
MailGuard social profiles
Digital presenceMailGuard compliance and trust
Trust signalCompliance6 records
MailGuard financial estimates
Financial estimateRevenue estimate
Valuation estimate
MailGuard leadership team
Management profileNumber of profiles
Profiles1 record
MailGuard funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
MailGuard M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about MailGuard
What does MailGuard do?
MailGuard delivers predictive, cloud-based email security that intercepts malware, ransomware, phishing, spear-phishing, and Business Email Compromise threats before they reach Microsoft 365 and Google Workspace inboxes. The platform combines proprietary heuristic engines with machine learning and generative AI to score every email in real time and is offered as a subscription-based managed service alongside continuity, archiving, and brand-image monitoring products.
Is MailGuard a public or private company?
MailGuard is a private company. It is classified as corporate owned and is currently operating.
When was MailGuard founded?
MailGuard was founded in 2001. It employs 1 to 10 people.
Where is MailGuard based?
MailGuard is headquartered in Southbank, Australia, in the Oceania region.
How does MailGuard make money?
One revenue line is on record: email Security Subscription Services.
Who are MailGuard's main competitors?
Direct peers on record are Mimecast, Proofpoint and Barracuda Networks. Emerging players are Abnormal Security, IRONSCALES, Cofense, Avanan (acquired by Check Point) and KnowBe4. Broad incumbents are Sophos and Microsoft Defender for Office 365.
Does MailGuard have an API?
No public API is recorded for MailGuard.
What industry is MailGuard in?
MailGuard's product category is Email Security. Its primary akta.pro industry code is HDADAKAI, Email & Collaboration Threat Detection/Response (ICR/CTDR). Its NAICS code is 561621 and its SIC code is 7372.