Is nicemail.ccdisposable?

Yes

nicemail.cc is a disposable email service: inboxes are temporary and often open to anyone. People use these services to skip email verification or grab free trials.

Clerks at long desks in the Dead Letter Office, its name painted on the back wall — The Dead Letter Office. Mail that could not be delivered was sorted here.

Why we say this

How the data is built, and what it can’t tell you.

No list we track has nicemail.cc, and we have no accepted report on it. That isn't proof it's safe: we only know what's on the lists and what we've sampled.

Mail servers (MX)

Checked Nov 5, 2026.

A clerk at a desk covered in stacks of envelopes — Clara Nelson of the Dead Letter Office, 1916.

route3.mx.cloudflare.net
route2.mx.cloudflare.net
route1.mx.cloudflare.net

Block it at signup

New temp-mail domains appear constantly, so any list goes stale.

A large office of clerks at desks under hanging lamps — The Dead Letter Office, 1904.

// Node.js / TypeScript
const blocked = new Set(["nicemail.cc" /* , ...70,000+ more */]);
const domain = email.split("@").pop()!.toLowerCase();
if (blocked.has(domain)) throw new Error("Please use a permanent email address.");