This project extracts unique email addresses from a list of URLs using intelligent crawling and validation logic. It ensures data accuracy by validating domains and eliminating duplicates, helping users build clean and verified contact lists with minimal effort.
Created by Bitbash, built to showcase our approach to Scraping and Automation!
If you are looking for Email Scraper you've just found your team — Let’s Chat. 👆👆
The Email Scraper is designed to crawl websites recursively, extract email addresses, validate them, and store only unique results. It solves the problem of collecting reliable and organized contact information from large sets of web pages.
- Crawls through given URLs and discovers linked pages up to a specified depth.
- Extracts and validates email addresses using DNS checks.
- Stores only unique and authentic emails.
- Manages crawling performance with customizable concurrency and proxy settings.
| Feature | Description |
|---|---|
| Email Extraction | Gathers email addresses from provided web pages and their linked content. |
| Recursive Crawling | Allows deep exploration of linked pages to maximize discovery. |
| DNS Validation | Ensures only authentic and valid email domains are stored. |
| Unique Dataset | Eliminates duplicates for clean, ready-to-use results. |
| Configurable Concurrency | Balances performance and stability with adjustable concurrency limits. |
| Proxy Support | Enables proxy configuration for secure and distributed scraping. |
| Field Name | Field Description |
|---|---|
| The extracted email address from the crawled pages. | |
| dnsLookup | Indicates whether the domain passed DNS validation. |
[
{
"email": "contact@example.com",
"dnsLookup": true
},
{
"email": "info@sample.org",
"dnsLookup": false
}
]
Email Scraper/
├── src/
│ ├── main.py
│ ├── crawler/
│ │ ├── email_finder.py
│ │ ├── validator.py
│ │ └── utils.py
│ ├── config/
│ │ └── settings.json
│ └── output/
│ └── exporter.py
├── data/
│ ├── input_urls.txt
│ └── results.json
├── requirements.txt
└── README.md
- Marketing teams use it to collect verified business contact emails for outreach campaigns, ensuring high deliverability rates.
- Researchers extract organization contact data from educational or government websites for collaboration analysis.
- Developers integrate it into CRM systems to automate lead gathering workflows.
- Data analysts use it to build structured datasets for studying domain-based communication networks.
- Freelancers rely on it for targeted email list building, saving hours of manual work.
Q1: Can I limit how deep the scraper goes? Yes, you can define a maximum crawl depth to control how many linked pages are explored.
Q2: Does it handle duplicate emails automatically? Absolutely. The scraper automatically filters duplicates, saving only unique results.
Q3: Is DNS validation optional? Yes, you can enable or disable domain validation depending on your accuracy needs.
Q4: Can I use proxies? Yes, proxy configuration is fully supported to ensure safe and distributed scraping.
Primary Metric: Extracts up to 2,000 verified emails per hour with moderate concurrency. Reliability Metric: Achieves a 97% success rate for email domain validation using DNS lookups. Efficiency Metric: Utilizes lightweight asynchronous requests, maintaining optimal speed with low resource usage. Quality Metric: Delivers over 99% unique and verified results, minimizing manual cleanup.
