Email Security Test

Email Server Security
Email Server Encryption
DNS Misconfigurations
Phishing Campaigns
Compromised Credentials
Blacklists & Spam Reports

Free online tool to test email server security

2,531,267email security tests performed

API Documentation

Full API Documentation

Free API

ImmuniWeb Community Edition provides a free use of the Email Security Test API's basic functionality with 4 free tests per day.

Premium API

Public schools, local governments and non-for-profit organizations may request a free access to the premium API.

ImmuniWeb Community Edition provides a premium API to run any number of daily tests for a monthly fee described below:

Package Type	Tests per day	Monthly subscription
Premium 10	10	$299
Premium 50	50	$1495
Premium 100	100	$2990
Premium 250	250	$7995

1 month subscription

3 month subscription 2% off

6 month subscription 3.5% off

12 month subscription 5% off

Apply API limits for web interface

Apply API limits for my company

Total: $299

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