ESP Finder Tool
Identify the Email Service Provider (ESP) behind any domain or email address. Discover which platform powers email delivery for any organization.
200+
ESP Providers
99%
Detection Rate
< 3s
Analysis Time
Identify Email Service Provider
Enter a domain or email address to discover which ESP powers their email delivery
ESP Detected: -
Email service provider information
Why Use Our ESP Finder?
Identify email service providers to understand email infrastructure and improve your email marketing strategies.
ESP Detection
Identify which email service provider powers any domain's email infrastructure
Market Intelligence
Get insights into market share, reputation, and regional presence of ESPs
Reputation Analysis
Understand ESP reputation and deliverability performance metrics
Technical Details
Access technical specifications and configuration details of email providers
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