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MailArmor: AI Email Security for SMBs
- Security
- Cybersecurity
- Microsoft 365 users
- Small businesses in India
- Mid-market companies
- Compliance-heavy sectors like Fintech and Healthcare
- Lean IT teams
Pricing
A free plan is available for up to 5 users. The Complete Protection plan starts at ₹150 per user per month.
At a glance
- Best for
- Microsoft 365 users, Small businesses in India, Mid-market companies, Compliance-heavy sectors like Fintech and Healthcare, Lean IT teams
- Key use cases
- Phishing and Spoofing Protection, Preventing Financial Fraud, Internal Threat Monitoring, Compliance Management
- Integrations
- Microsoft 365 Graph API
- Official website
- Visit MailArmor official website

How AI is used
MailArmor is an AI-driven email security tool that integrates with Microsoft 365 via Graph API. It is designed to be deployed within the cloud environment, which may reduce manual setup work as it does not require DNS or MX record changes.
The software is designed for SMBs, including those in fintech, healthcare, and SaaS sectors. It focuses on identifying threats such as Business Email Compromise (BEC) and phishing attempts using natural language processing and social graph analysis.
Buyers should note that the tool is built for cloud-based ecosystems. It is not designed for organizations running on-premise Exchange servers or niche email providers outside of major cloud suites.
Using an API-based approach, the tool can scan internal employee-to-employee emails to help identify the lateral movement of threats within an organization.
Key Features
AI-Powered Threat Detection
Uses NLP, Large Language Models, and social graph analysis to help identify phishing and social engineering attempts.
BEC Prevention
Analyzes communication patterns and sender verification to support protection against Business Email Compromise.
Malware and Ransomware Blocking
Includes sandboxing and behavioral analysis to help detect and block malicious attachments and links.
Microsoft 365 Integration
Connects via Graph API for deployment without requiring MX record changes.
India-Specific Compliance
Supports CERT-In and DPDP compliance with data residency located in Mumbai.
Use Cases
Phishing and Spoofing Protection
Identifying phishing emails and brand impersonation attempts using AI content analysis.
Preventing Financial Fraud
Detecting Business Email Compromise (BEC) where attackers attempt to divert invoice payments.
Internal Threat Monitoring
Scanning internal emails to help identify compromised accounts and lateral movement of threats.
Compliance Management
Supporting businesses that need to meet Indian DPDP Act and CERT-In security requirements.
Integrations
- Microsoft 365 Graph API
FAQ
Who is MailArmor designed for?
- It is designed for small and medium-sized businesses, particularly those in India using Microsoft 365 and Google Workspace.
Does MailArmor require DNS changes for setup?
- No, it integrates via API, which allows for deployment without modifying MX records.
What are the pricing options for MailArmor?
- There is a free plan for up to 5 users, and a Complete Protection plan starting at ₹150 per user per month.
Is MailArmor compliant with Indian data laws?
- The platform is CERT-In and DPDP compliant and maintains data residency in Mumbai.
Source category: Security
Source subcategory: Cybersecurity
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