Is tmmail.net valid?
How to block tmmail.net e-mail domain
tmmail.net
tmmail.net is a domain that should be blocked from sign-ups or registrations. Based on our analysis, you should block this domain. If a user is trying to sign-up using an e-mail on this domain, it's likely that it's a malicious or fraudulent attempt for some reason.
The best way to detect and block domains like tmmail.net is to use the Check-Mail API, available for free, for all programming languages.
Raw API JSON response:
"valid": true,
"block": true,
"disposable": false,
"email_forwarder": false,
"domain": "tmmail.net",
"text": "Highly suspicious",
"reason": "Anomalies detected",
"risk": 99,
"mx_host": "park-mx.above.com",
"possible_typo": [],
"mx_ip": "103.224.212.34",
"mx_info": "Using MX pointer park-mx.above.com from DNS with priority: 10",
"last_changed_at": "2025-08-06T13:08:39+02:00"
}
tmmail.net
Status: Highly suspicious
RISK
HIGH
Domain risk: 99
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