sonmail.store is a disposable email domain

sonmail.store is a disposable temp email domain from smtp.dev 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,
    "domain": "sonmail.store",
    "base_domain": "sonmail.store",
    "text": "Disposable email provider",
    "reason": "Heuristics: BP3",
    "risk": 100,
    "is_disposable": true,
    "is_email_forwarder": false,
    "is_public_free": false,
    "is_public_premium": false,
    "is_business_provider": false,
    "is_isp_email": false,
    "is_email_api": true,
    "is_web_hosting_email": false,
    "is_self_hosted": false,
    "is_parked": false,
    "is_role_based_email": false,
    "mx_host": "mx.smtp.dev",
    "mx_ip": "91.98.8.0",
    "mx_info": "Using MX pointer mx.smtp.dev from DNS with priority: 0",
    "mx_fallback": false,
    "mx_hosts": [
        "mx.smtp.dev"
    ],
    "mx_ips": [
        "91.98.8.0"
    ],
    "mx_priorities": {
        "mx.smtp.dev": 0
    },
    "email_provider": "smtp.dev",
    "disposable_provider": "smtp.dev",
    "possible_typo": [],
    "domain_age_days": null,
    "domain_created_at": null,
    "block_status_changed_at": "2026-07-23T11:49:36+00:00"
}