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Secure Email API for SaaS Providers

Deliver critical transactional emails with built-in abuse prevention to protect
your customers’ domain reputation.

Protect Your Customers’ Reputation with a Smarter Email API

Traditional email APIs only deliver messages—MailChannels goes further, actively preventing abusive users from harming your customers’ domain reputation.
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Real-Time Spam Filtering

Block malicious emails before they affect deliverability by scanning against known spam signatures and threat intelligence.

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AI-Driven Anomaly Detection

Catch phishing and suspicious activity automatically with machine learning models that identify abnormal sending patterns.

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End-User Reputation Scoring

Assess sender behavior with a granular “credit score” system that tracks individual user behavior.

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Policy-Driven Compliance

Enforce CAN-SPAM, GDPR, and other email best practices.

Granular Control Without Disrupting Your Business

Unlike other email services that suspend entire accounts for a single bad sender, MailChannels isolates problematic users while ensuring your legitimate messages continue flowing.
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Per-User Monitoring

Track reputation at the individual sender level.

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Instant Abuse Alerts

Receive detailed reports on suspicious activity.

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Automated Enforcement

Apply customizable rules to mitigate risks before they escalate.

Why Domain Reputation Matters in 2025

In today’s email landscape, domain reputation is paramount. While our IP pool remains pristine, we focus on protecting your customers’ domain reputation—the key determinant of inbox placement.
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MailChannels protects more domains
from email abuse than any other provider

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Deliverability for legitimate senders
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Zero latency real-time abuse monitoring to detect threats
2.7M
End-users protected across thousands of SaaS platforms

Advanced Security Features
for Multi-Tenant Environments

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Domain Authentication Enforcement

Ensure proper SPF, DKIM, and DMARC configuration to prevent spoofing and unauthorized mail.

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Behavioural Analysis & Traffic Shaping

Monitor sending patterns and throttle suspicious activity before it impacts reputation.

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Phishing & Malware Detection

Stop outbound phishing attempts and prevent malware distribution.

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Automated Abuse Enforcement

Set thresholds that automatically restrict bad senders before they harm deliverability.

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Integrated Threat Intelligence

Leverage global reputation services and feedback loops to proactively block risky messages.

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Audit Trails and Compliance Reports

Maintain detailed logs to satisfy security audits and demonstrate compliance requirements.

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“MailChannels has been a game-changer for me; they are quick to reply to support requests, mail ‘just works’ 99.9% of the time, and I no longer have to think about deliverability. All wins in my book.”
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Collin Simmons
System Operations Manager, HostPapa

Protect Your Customers’
Domain Reputation Today

Just one compromised sender can ruin a domain’s ability to reach the inbox.
Join the companies that trust MailChannels to keep their email secure and deliverable.