Saleit Leader 3.0 is a web application for B2B research, finding business email addresses, performing SMTP verification, and saving valuable contacts in one panel. You're not just buying a simple script — you're getting a fully functional tool for independently acquiring business contacts.
In B2B prospecting, sending the message itself is not the hardest part. First, you need to find companies, websites, email addresses, filter out consumer contacts, check if an address appears active, and then organize the results in a database.
Doing this manually with Google, directories, and spreadsheets takes hours. Regular scrapers often save everything indiscriminately — including private, junk, inactive, or completely useless addresses for B2B activities.
Saleit Leader 3.0 solves this problem differently: it searches for contacts based on specified criteria, filters results, can skip consumer addresses, and verifies emails before saving them to the database.
this is not a simple script that collects random addresses. It's a full application with a panel, task queue, results database, logs, export functions, and verification settings.
Instead of buying a ready-made list once or manually searching for contacts, you can launch your own tool for systematic B2B research.
You independently choose keywords, industries, countries, and domains to be checked. You are not limited to one ready-made list.
The application can skip consumer addresses like Gmail, Yahoo, Hotmail, and focus on business B2B contacts.
Thanks to SMTP checking, you can reduce the number of inactive or worthless addresses before they enter your database.
The application is designed for companies, agencies, marketers, and B2B prospecting professionals who want to independently search for potential business contacts based on keywords, industry, country, or domain.
Not just collecting addresses. First research, then filtration and verification.
The biggest advantage of the application is that it doesn't have to save every found address. The system can immediately reject some consumer contacts, analyze results, and verify email addresses before adding them to the database.
B2B Lead Engine acts as your own backend for business contact research. The user doesn't have to manually browse hundreds of pages — instead, they create a task, set criteria, and the application does the work in the background.
You enter keywords, industry, market, country, or domains you want to include in the search.
The system analyzes results, company websites, and publicly available sources to find business email addresses.
You can skip consumer addresses and limit results to contacts more useful for B2B activities.
The system can check if an address appears to be handleable by a mail server before saving it to the database.
The collected data goes to the panel, where it can be viewed, filtered, and exported for further work.
This tool is for people who don't want to rely solely on ready-made databases, expensive SaaS platforms, or manual research.
For companies regularly seeking new contractors, partners, distributors, or potential clients.
For agencies conducting prospecting, research, email campaigns, or preparing contact lists for clients.
For individuals who want to independently build lists of potential recipients before a sales campaign.
For those looking for contacts in selected markets, domains, and countries.
For companies that want a tool running on their own server or in a managed instance.
For individuals who want their own source of B2B contacts without paying for every single validation.
A simple scraper usually performs one task: finding character strings that look like email addresses and saving them to a file.
simple data collection
Often saves everything it finds: free, random, duplicated, inactive, or unhelpful addresses for B2B activities.
B2B research application
Allows setting criteria, filtering results, skipping consumer addresses, verifying emails via SMTP, and working with results in a web panel.
You can run the application on your own VPS or use a ready-made configuration with hosting and access to the panel.
We install and configure the application on your own VPS server. This solution is for those who already have a server.
We prepare a working instance of the application and provide you with the login address and access data.
Saleit Leader 3.0 is a web application with elements necessary for operational work.
You log in via a browser and manage searches without working directly in the console.
You can add search tasks that the application performs in the background on the server.
Collected addresses go into a database where they can be viewed and filtered.
This tool is intended for legal B2B research and finding publicly available business contacts.
Saleit Leader 3.0 allows you to independently find business email addresses and build a lead database.