Email privacy through anonymity.
Mailpopbox is not a typical mail-server: it is meant to be used by a single person. All messages
addressed to any mailbox at the configured domain are delivered into a single account. This lets you
create site-specific email addresses, allowing you to segment or compartmentalize your emails. Any
time a form or a person asks for an email address, you can simply make up a
RandomAccount@yourdomain.net. This enhances your privacy by:
- Not revealing your main email address to organizations.
- Giving you more control over blocking email messages, because you can filter on the To address.
- Determining when one organization has given their email list to another, since you can give each
organization a unique account.
- Prevent organizations from cross-referencing account information by email address.
- Offer minor protection in the event of a data breach, because your accounts can each have unique
While many domain registrars offer the above wildcard forwarding, none offer the ability to reply
from the random addresses that a message gets sent to. But Mailpopbox does! By default, mail gets
sent as the
email@example.com address, but if you add a
[sendas:ACCOUNT] tag to the
Subject line of any message, Mailpopbox will rewrite the From address to be
Requirements & Installation
Mailpopbox needs to run as a long-lived server process and be able to bind to ports 25 and 995 to
offer SMTP and POP3 facilities. A TLS certificate is also required to provide a secure channel for
authentication. See the installation
guide for complete setup
Prebuilt binaries for Mailpopbox are provided for Linux and Mac, as well as digital
signatures for the packages.
Please report any issues on GitHub. Pull requests are