Community spam sender list.
A public, reviewed list of domains associated with unwanted email. Reports are reviewed before publication; the list does not automatically block messages.
Check a sender domain
Exact domain matching only. Subdomains and other domains are not included automatically. A From address can be forged; a domain alone cannot establish whether a message is spam.
0 reviewed domains
No domains have been published yet. We do not add unverified reports or classify privacy email receiving domains as spam sources.
Download JSON Download domain list
Updated: 2026-11-02. Recheck updates before use. Listing is a reviewed signal, not proof that every message from a domain is unwanted.
Report spam or appeal a listing
Contact [email protected] with the sender domain, approximate dates, and a short explanation. Redact recipients, verification codes, tokens, message bodies and other personal information. Do not send mailbox passwords or API keys. We may request limited redacted evidence privately.
We assess repeated evidence and available sender authentication. A single report does not create a public listing. Shared email providers should not be listed as a whole merely because one account sends unwanted mail. Domain owners can request correction or removal through the same address.
Protect your own address with separate receiving aliases. Retire an alias if unwanted mail starts; retired addresses are never reused. This list and our aliases cannot guarantee that all spam will be prevented.
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