Upload Your Email List and We'll Run a Free Health Check

See if your list is hiding hard bounces, bots, or spamtraps before you click send. Upload any file. No credit card required.

Here's How It Works

1
Upload
2
Verify
3
Results

Upload your list

Upload your list in CSV, XLSX or TXT format.

We run verification

Our system quickly checks for:

  • Known hard bounces
  • Bot signups and traps
  • Deliverability risks

Get your report

Receive a free list health report within minutes showing any known issues.

Our advanced verification system checks multiple aspects of each email address to provide you with the most accurate results.

You can then decide whether to run it through a more thorough verification process to deploy with up to 99% deliverability confidence.

Frequently Asked Questions

No, your diagnostic report is completely free.

You'll see the percentage of known hard bounces, traps, and invalids detected in your file.

100%. We use encrypted file handling and never sell or share your data.

Trusted by email marketers, list managers, and Fortune 500 companies worldwide.

Upload your file

Drag & Drop your file here

or click to browse files

CSV XLS XLSX
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Import list
Maximum file upload size 20MB
Maximum lines records 100000