About Us - Mailsniper

Mailsniper was born from real-world pain. After running a B2B SaaS platform for more than 10 years, we knew the trial abuse problem intimately. Disposable emails weren't just a nuisance: they were distorting our metrics, wasting our resources, and making it harder to identify genuine customers.

The Problem We Faced

Like many SaaS businesses, we offered free trials to let potential customers experience our product. But this opened the door to systematic abuse:

Users creating dozens of trial accounts using disposable email services
Fake signups inflating our user metrics and making data meaningless
Support costs rising as we dealt with fraudulent accounts
Real conversion rates hidden behind noise from throwaway emails
Marketing campaigns targeting users who would never become paying customers

Our Journey to a Solution

First Stop: GitHub Lists

We started where most businesses start: community-maintained lists of disposable domains on GitHub. We integrated these lists into our registration flow, blocking known disposable domains. It helped, but the limitations became obvious quickly:

Lists were always out of date (new disposable services launched faster than the community could track them)
We had to build infrastructure to download and update these lists regularly
No support when we accidentally blocked legitimate domains
Coverage gaps meant sophisticated abusers still got through

Next: Third-Party Services

Hoping for better results, we tried various third-party email validation services. Some were better than static lists, but none provided the quality we needed:

Detection rates were inconsistent across providers
New disposable domains still took days or weeks to appear in their databases
False positives blocked legitimate business domains
Some of these services were run more like side-projects than businesses

The Solution: Build Our Own

Frustrated by the lack of quality options, we took matters into our own hands. We started building custom scrapers to monitor disposable email websites directly. What began as a few simple scripts evolved into a sophisticated system:

Automated scrapers monitoring over 100 disposable email websites
Smart analysis to identify new domains as they appear
Manual review processes to ensure accuracy and prevent false positives
Continuous updates happening throughout the day, not weekly or monthly

The difference was dramatic. We caught disposable domains within minutes or hours of their creation (days or weeks faster than other alternatives). Our trial abuse dropped significantly, and our metrics finally reflected reality.

From Internal Tool to Standalone Service

As our detection system matured, we realized we had built something valuable: something other businesses struggling with the same problems could benefit from. After years of refinement and proven results in production, we made it available to the public.

Today, Mailsniper provides the same high-quality disposable email detection we built for ourselves to businesses around the world. Our custom scrapers constantly monitor disposable email services, identifying new domains earlier than competitors and much earlier than public GitHub lists.

Our Approach

What makes Mailsniper different is our commitment to quality and speed:

Automated Discovery

Our scrapers run continuously, monitoring over 100 websites that provide disposable email domains. When new domains appear, we detect them within hours.

Manual Verification When It Matters

Unlike purely automated systems used by many competitors, we add a human verification layer when our automated systems are uncertain about a domain. This quality-control step is critical for preventing false positives that could block legitimate customers and cost you conversions. Automated discovery finds threats fast, manual review ensures accuracy when needed.

Always Up to Date

Every API call returns the latest domain intelligence. We catch hundreds of new disposable domains every week, so staying current is critical. There's no infrastructure to maintain, no lists to download, no update schedules to manage: it just works.

Our Quality Commitment

Unlike many of our competitors who rely solely on automated detection, we put exceptional care into the quality of our data. When our automated systems encounter uncertainty about a domain, we add a human verification layer before making a decision. This deliberate quality-control approach sets us apart in the industry.

Why does this matter? False positives are costly. Blocking a legitimate business domain means losing a real customer. Automated systems often flag domains incorrectly, causing businesses to reject valid signups without realizing it. Our manual review process for uncertain cases prevents these expensive mistakes, ensuring you only block actual disposable domains while welcoming genuine customers.

This commitment to quality means you can trust our data. When Mailsniper flags a domain as disposable, you can be confident the decision was made carefully, with human oversight when needed.

Proven Speed Advantage

Speed matters in disposable email detection. With hundreds of new disposable domains appearing every week, the faster you identify them, the sooner you can protect your platform from abuse. Our benchmarks consistently show we detect and blacklist new disposable domains significantly faster than competitors.

While GitHub lists and many commercial services take days or even weeks to add new domains, our automated scrapers combined with streamlined manual review process identifies new threats within hours. This speed advantage means abusers have a much smaller window to exploit new disposable services on your platform.

The result: you catch trial abuse earlier, protect your metrics sooner, and maintain cleaner user data from day one. By the time slower competitors add a domain to their lists, we have already been protecting our customers for days.

Our Mission

We're on a mission to help businesses protect their platforms from disposable email abuse. We know the pain of distorted metrics, wasted resources, and trial abuse because we've lived it. That's why we're committed to providing the highest quality disposable email detection available: combining industry-leading speed with human-verified accuracy. We built the service we wished existed when we needed it.

About Mailsniper