What a Gmail alias is and why you might use one

A Gmail alias is an alternate email address that sends and receives mail through your main Gmail account. When someone emails your alias, the message lands in your inbox alongside everything else. You can reply from the alias address, and the recipient sees that alias in the "From" field — they do not see your real Gmail address unless you tell them.

The most common reason to use an alias is to keep work separate from personal mail without managing two actual accounts. You might give your alias to a service you do not fully trust, use it to sign up for newsletters you might delete later, or hand it to a group of people while keeping your main address private. Since it all feeds into one inbox, you are not checking multiple places.

Gmail offers two ways to create an alias. The first — adding a plus sign and any text to your address — works when ready and costs nothing. The second — setting up a separate forwarding address — takes a few minutes but looks more professional if you plan to use it regularly.

Key Takeaways

  • A Gmail alias is a second email address that delivers to your main inbox, letting you keep different parts of your life organized in one place.
  • The plus-sign method (yourname+label@gmail.com) works right away and requires no setup, but looks less formal than a full alias.
  • Creating a forwarding address through Gmail settings takes five minutes and looks like a separate email account to the outside world.
  • Both methods send replies back through your main account unless you specifically change the "From" field when composing a message.

Using the plus-sign method for when ready aliases

The fastest way to create an alias is to add a plus sign and any word or number to your Gmail address. If your email is marcus.chen@gmail.com, you can use marcus.chen+shopping@gmail.com, marcus.chen+newsletters@gmail.com, or marcus.chen+test@gmail.com. Gmail treats all of these as the same account and delivers everything to your inbox.

This method works when ready — you do not need to log into Gmail settings or confirm anything. Type the plus-sign address into a website signup form, and mail sent to that address arrives in your inbox within seconds. The plus sign and everything after it is called a "label" or "tag," and you can create as many as you want.

The downside is that the plus sign is visible to anyone who sees the address. If you give someone marcus.chen+shopping@gmail.com, they know you created it as a throwaway or category. For casual use — signing up for a store's mailing list, testing a website, or organizing mail from a specific service — this is fine. For anything more formal, a full alias looks cleaner.

Setting up a forwarding address that looks like a separate account

If you want an alias that does not show the plus sign, you can create a forwarding address in Gmail settings. This takes about five minutes and requires you to verify the new address, but once it is set up, mail sent to it looks like it went to a real separate account.

Open Gmail and click the gear icon in the top right corner. Select "See all settings," then click the "Accounts and Import" tab. Under "Send mail as," click "Add another email address." A popup window opens asking for the name you want to display and the email address you want to add. Type in the alias address you want to use — it can be anything, like firstname.lastname@gmail.com or a made-up name entirely. Gmail does not care.

After you click "Next Step," Gmail sends a confirmation email to that address. Since you do not actually own that address, Gmail is checking that you control the account you are sending from. Click the confirmation link in the email Gmail sends you, and the alias is active. From that point on, when you compose a new message, you can click the "From" field and choose which address to send it from.

Receiving mail at your alias address

Mail sent to your alias arrives in your main inbox just like any other message. There is no separate folder or filter — it all comes to the same place. If you want to organize it, you can create a Gmail label (a folder-like category) and set up a filter to automatically tag messages from your alias.

To create a label, click the three horizontal lines on the left side of Gmail, scroll to the bottom, and click "Create new label." Name it something like "Shopping" or "Newsletters." Then go back to Settings, click the "Filters and Blocked Addresses" tab, and click "Create a new filter." In the "To" field, type your alias address. Click "Create filter," check the box next to your new label, and click "Create filter" again. From now on, any mail sent to that alias automatically gets tagged with that label, keeping it separate visually even though it is in the same inbox.

Replying from your alias

When you reply to a message sent to your alias, Gmail automatically sends the reply from that same alias address. The person who emailed you sees your alias in the "From" field, not your main Gmail address. This works the same way whether you used the plus-sign method or created a forwarding address.

If you want to reply from a different address than the one the message came to, you can change it. Open the message, click "Reply," and then click the "From" field at the bottom of the compose window. A dropdown menu shows all the addresses you have set up to send from. Pick whichever one you want, type your reply, and send. The recipient sees that address in the "From" field.

Deleting or stopping use of an alias

If you created an alias using the plus-sign method, there is nothing to delete. Stop using it, and mail sent to it straightforward stops arriving. You can still see old messages in your inbox, but you can delete or archive them like any other email.

If you created a forwarding address through settings, you can remove it by going back to Settings, clicking "Accounts and Import," finding the address under "Send mail as," and clicking the "Delete" link next to it. Once you delete it, you cannot send mail from that address anymore, but old messages you received at that address stay in your inbox. If you want to stop receiving mail at a forwarding address, you have to stop giving it out — Gmail does not have a way to block incoming mail to a specific alias.

Frequently Asked Questions

Can I receive mail at a forwarding address I created?

No. A forwarding address in Gmail only lets you send mail from that address. Mail sent to it bounces back to the sender. If you want to receive mail at an alias, use the plus-sign method, which works with your actual Gmail address.

Will people know my real email address if I use an alias?

Not unless you tell them or they look at the message headers. When you reply from an alias, they see the alias in the "From" field. The plus-sign method shows the plus sign, so they know it is a variation of your main address, but a full forwarding address looks like a completely separate account.

Can I create an alias with a different domain, like @yahoo.com?

No. Gmail aliases must use @gmail.com or a custom domain you have set up through Google Workspace. If you need a completely separate email account with a different provider, you would have to create an actual account with that provider instead.

What happens to mail sent to my alias after I delete it?

If you delete a forwarding address, mail sent to it will bounce back to the sender with a "user does not exist" error. Old messages you already received stay in your inbox. If you stop using a plus-sign alias, mail sent to it still arrives in your inbox because it is technically part of your real address.

Can I set up an alias for someone else to use?

No. Aliases are tied to your Gmail account and can only be managed by you. If someone else needs their own email address, they need to create their own Gmail account or you can set up a Google Group that forwards to multiple people.