Mail Forwarding
Revealing your real email address online can put you at risk. Email aliasing allows messages to be sent to [anything]@my-domain.com and still land in your primary inbox. This protects your real email address from being revealed. Aliases are generated automatically, the first time they are used. This approach lets you identify which provider leaked your email address, and block an alias with 1-click.
An open source anonymous email forwarding service, allowing you to create unlimited email aliases. Has a free plan.
Developed and managed by Mozilla, Relay is a Firefox addon, that lets you make an email alias with 1 click, and have all messages forwarded onto your personal email. Relay is totally free to use, and very accessible to less experienced users, but also open source, and able to me self-hosted for advanced usage.
Catch-all email forwarding service with unlimited aliases and custom domains, configured via DNS records. Self-hostable; the hosted version has a limited free plan, with paid plans (from $3/month) adding encrypted IMAP/POP3 mailboxes. Audited by Cure53 in 2026.
Fully open source (view on GitHub) alias service with many additional features. Can be self-hosted, or the managed version has a free plan, as well as hosted premium option ($2.99/ month) for using custom domains.
Objective of this page
Find the best free, open source, E2E encrypted and private alternative to now.
Compare Addy vs SimpleLogin vs Firefox Private Relay vs Forward Email vs
Discover the best Mail Forwarding tools for Android, iPhone, Linux, PC and Chrome to download now. And choose secure, self-hosted, peer-to-peer and independant alternatives
Stop the invasion of privacy from big tech, improve data security stay safe.
Notable Mentions
Some full email providers include aliasing or catch-all addresses as a built-in (usually premium) feature. For example, Proton (catch-all, plus hide-my-email aliases via Proton Pass), StartMail, mailbox.org and Posteo all offer this.
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