What is email forwarding, actually?

Email forwarding is old plumbing. It predates webmail, spam filters, and most of the people reading this. The idea is simple: mail arrives at address A, and instead of sitting there, it gets sent on to address B. Address A is a signpost; address B is where you actually live.

That's it. Everything else — alias services, catch-alls, distribution lists — is variations on that one move.

The three things people mean by "another email address"

When someone says they want a second email address, they usually mean one of three different things:

A second mailbox. A full account somewhere — its own login, its own storage, its own inbox you have to remember to check. Useful when you want genuine separation: work vs. personal, or an identity that shouldn't touch your main account at all.

A plain forward. An address that exists only to pass mail along. No storage, no login, no inbox. Mail to signpost@somedomain lands in your real inbox seconds later. This is what your domain registrar sells you as "email forwarding".

An alias. A forward with management on top. The address still just passes mail along, but you can pause it, delete it, attach rules to it, see its history, and — crucially — have many of them cheaply. One per site, per newsletter, per stranger.

An alias service is the third thing. emailforward.xyz gives you addresses like anything@emailforward.xyz, created in seconds with no signup, each forwarding to destinations you've verified.

How alias forwarding differs from a second mailbox

The practical differences matter more than the technical ones:

• Checking. A mailbox is another place to look. A forward delivers into the inbox you already check. Most abandoned "spam accounts" die of this — the mailbox fills with things you occasionally needed, unchecked.
• Cost of having many. You can't reasonably maintain forty mailboxes. Forty aliases is normal, because each one costs nothing to hold and nothing to check.
• Revocation. Deleting a mailbox is a decision with consequences. Deleting an alias retires one relationship — the merchant who got it, and nobody else.
• Sending. A mailbox sends natively. An alias forwards inbound mail, and a good alias service lets you reply through the alias so the other side sees the alias, not your real address. That covers most correspondence, but a mailbox is still the right tool if an identity mainly needs to originate mail.

Neither is strictly better. A second mailbox is a second identity; aliases are disposable skins over your existing one.

When to use which

Use a second mailbox when:

• You need separation you'd defend in an argument — work, a business, a pseudonym.
• The identity sends a lot of mail, not just receives it.
• You want the mail stored somewhere other than your main account.

Use aliases when:

• You're handing an address to a website, shop, newsletter, or stranger.
• You want to know who leaked your address, and to be able to cut them off individually.
• You want zero new inboxes to check.

Most people who set up a "junk Gmail" actually wanted aliases and didn't know the category existed.

What forwarding can carry

Forwarding isn't limited to email-to-email anymore. An alias here can forward to up to 6 destinations at once: ordinary inboxes, Telegram chats, or webhooks if you want mail to trigger something programmatic. Every destination has to verify itself before it receives anything — a forward to an address that never confirmed just doesn't deliver, which is the correct failure mode for a system that could otherwise be used to spam third parties.

Forwarded messages also get tracking pixels and tracker parameters stripped in transit, and each alias keeps a message history so you can see what arrived even before you open your inbox.

The honest caveats

Forwarding adds a hop, and hops have costs:

• Delivery depends on the forwarder being up and on receiving servers accepting forwarded mail. Modern authentication standards make this work well, but it's one more link than a direct mailbox.
• If the alias service disappears, your addresses do too. Mitigations exist — custom domains mean you own the addresses and can point them elsewhere, and CSV/JSON export means you always have your alias list — but the dependency is real and worth knowing about.
• An alias hides your address, not your identity. If you sign up as yourself, the merchant still knows who you are.

Where to go from here

If the concept clicks, the next question is workflow — how to name aliases, when to pause them, when to delete. The getting started guide covers the mechanics, and create an alias takes about ten seconds if you'd rather just try it.

Forwarding is old plumbing, but old plumbing that still works is called infrastructure.