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Disposable Email

and API

Email without signing up

Make up any email address @mailsac.com and you can instantly receive mail. No need to sign up!

Everything is public, unless you create an account.

About Mailsac

Email inbox service

Nearly all mail is accepted

Messages are regularly recycled

Trusted by Fortune 500 companies

Host your own email for free with Mailsac

Point your DNS MX records to:

PriorityHostPoints to

Free email for your custom domain

APIs and Email Testing

Built for developers

REST API, webhooks, web sockets, and of course SMTP+POP3

Used by large enterprises for automated testing

Paid plans are not capped or metered