teacher.semar.edu.pl is a disposable email domain
teacher.semar.edu.pl is a disposable email domain (risk: 91/100). Block it with the free Check-Mail API.
teacher.semar.edu.pl is a disposable temp email domain from edumailfree.com that provides throwaway email addresses and should be blocked. These temporary addresses are frequently exploited to bypass verification systems and create fake accounts.
Raw API JSON response:
{
"valid": true,
"block": true,
"disposable": true,
"email_forwarder": false,
"domain": "teacher.semar.edu.pl",
"text": "Disposable \/ temporary domain",
"reason": "Heuristics x1",
"risk": 91,
"mx_host": "mail.teacher.semar.edu.pl",
"possible_typo": [],
"mx_ip": "54.37.254.198",
"mx_info": "Using MX pointer mail.teacher.semar.edu.pl from DNS with priority: 10",
"last_changed_at": "2026-01-02T08:11:18+00:00"
}
Status: Disposable / temporary domain
Domain risk: 91
Are you a programmer?
Did you know we have a free API to validate e-mails and block teacher.semar.edu.pl?
Other domains from edumailfree.com
Our database contains more than 10 domains linked to this provider. Below are some of the most recently blocked ones:
Technical Details for teacher.semar.edu.pl
Risk Score
91 / 100
MX Host
mail.teacher.semar.edu.pl
Disposable Provider
Detection Method
Advanced heuristics
This domain was blocked heuristically. Unknown domains are automatically analyzed and tagged with our advanced algorithms.
Last updated: Jan 2, 2026
How to Block teacher.semar.edu.pl
You can automatically block teacher.semar.edu.pl and thousands of other disposable and fraudulent email domains using the free Check-Mail API. Simply query the API with any email domain to get an instant block recommendation.
Example API request:
curl -X POST "https://api.check-mail.org/v2/" \ -H "Authorization: Bearer YOUR_API_KEY" \ -d "domain=teacher.semar.edu.pl"
Get your free API key or read the documentation for integration guides in PHP, Python, JavaScript, and more.
Frequently Asked Questions about teacher.semar.edu.pl
What is teacher.semar.edu.pl?
teacher.semar.edu.pl is a disposable temporary email domain operated by edumailfree.com with a risk score of 91/100. It provides users with throwaway email addresses for anonymous online activities.
Should I block teacher.semar.edu.pl?
Yes. teacher.semar.edu.pl is a disposable email domain with a HIGH risk level (score: 91/100). We recommend blocking this domain to prevent fake sign-ups, spam registrations, and potential fraud.
How do I block teacher.semar.edu.pl emails?
Use the free Check-Mail API to automatically detect and block teacher.semar.edu.pl and thousands of other disposable email domains. See the documentation for integration guides or get started with a free API key.
Related Resources
Recently checked domains:
tangica.com exespay.com dias.com zefross.com cililian.me