Gmail Email Aliases in 2026: Plus Trick vs Real Privacy

Gmail gives you two ways to create email aliases without leaving your Google account. Both are free, both work today, and both have the same hard limit: they do not hide your real address from the recipient.

This guide walks through each Gmail alias option, when it helps, where it falls short, and why people who care about privacy usually add a dedicated masking layer on top.

Method 1: Plus-addressing (the +tag trick)

Gmail lets you add +anything after your username and still receive mail at your regular address. If your email is [email protected], you can sign up with [email protected] or [email protected]. Every message lands in the same inbox.

How to set it up

There is nothing to enable. Start using the +tag format wherever a site asks for your email:

1. Pick a tag that describes the source, for example +netflix or +newsletter.
2. Type [email protected] in the signup form.
3. In Gmail on the web, open Settings (gear), then See all settings.
4. Open the Filters and Blocked Addresses tab and choose Create a new filter.
5. Put the +tag address in the To field.
6. Choose an action such as Apply the label or Skip the Inbox so those messages sort automatically.

What plus-addressing is good for

Filtering. If you want work mail labelled one way and shopping receipts another, plus-addressing can do that without extra tools.

Spotting leaks. If [email protected] suddenly collects spam, you know which relationship went wrong.

What plus-addressing does not do

It does not hide your real email. Your base address ([email protected]) is visible to the recipient. Many systems strip the +tag, so they still store your real mailbox name.

You also cannot disable a single +tag. If [email protected] starts attracting spam, you are stuck building filters or blocking senders. There is no switch that turns that alias off while the rest of the inbox stays untouched.

For a deeper comparison of tricks versus real masking, see what email masking is and why it matters.

Method 2: Send mail as (another address you own)

Gmail's Send mail as feature lets you send from a different address you already control. That helps when you run several accounts but want one Gmail window for reading and replying.

How to set it up

1. Open Gmail on a computer.
2. Click Settings (gear), then See all settings.
3. Open the Accounts and Import tab (on some layouts, Accounts).
4. In Send mail as, click Add another email address.
5. Enter your display name and the other email address.
6. Click Next Step, then Send verification.
7. For a non-Gmail account, enter SMTP details (for example smtp.gmail.com or your provider’s outbound host) plus the username and password for that account.
8. Click Add Account.
9. Open the confirmation email Gmail sends to the other address and click the verification link.

You can add many addresses this way (Gmail documents a high cap).

Making it your default

If you want new mail to go out from the other identity by default:

1. Go to Settings, Accounts and Import, Send mail as.
2. Click make default next to the address you prefer.

To keep replies tied to the same identity, click edit info next to the address, choose Specify a different reply-to address, and save. Otherwise replies can route back to your original Gmail address.

What Send mail as is good for

One inbox, many identities. Work, school, and personal addresses can all be used from Gmail when you already own those mailboxes.

What Send mail as does not do

It does not create a new mailbox. You must already own the other account. It also does not fully hide Gmail. Some mail clients show headers such as mail sent on behalf of another domain, which can still point back to your Google identity.

Why Gmail aliases fall short on privacy

Both options share the same core issue: your real address never drops out of the picture.

Plus-addressing exposes your base name everywhere. Send mail as can leak Gmail context in headers. Neither gives you a disposable address you can revoke for one vendor without touching the rest of your mail.

For sorting and convenience, Gmail's built-in tools are useful. For privacy, where the service should not learn your real mailbox and you want one-click revoke, you need a different pattern.

What a dedicated masking service does differently

Email masking adds a forwarding layer between your real inbox and every signup form. Each vendor gets its own address. Your personal mailbox stays behind the masking provider instead of becoming the primary key in another company's database.

Rough flow:

1. Create one mask per service. Newsletter, shop, forum: each gets its own forwarding address.
2. Mail lands in the inbox you already use. Gmail, Proton, iCloud, or anything else. No second mailbox to babysit.
3. Disable one mask when noise starts. One toggle and that sender loses the path to you. Every other mask keeps working.

Compared with Gmail-only tricks:

• Your real address stays off the form. The vendor only stores the mask. A breach there does not automatically expose your personal mailbox.
• You can retire one mask. Unlike a poisoned +tag, a mask can be switched off without collateral damage.
• Replies can stay masked. With a dedicated service, replies can route back through the mask so the other party keeps seeing the substitute address. Mechanics vary by provider; see how email masking works for a full walkthrough.

Maskmail forwards in near real time, ships a browser extension for Chrome, Edge, and Brave so you can create a mask inside the signup field, supports custom domains so your aliases look like normal mail, and keeps delivery history so you can audit what moved through each mask.

Pricing starts at $0.99/month plus $0.006 per forwarded message, with a 14-day free trial.

Which method should you use?

Plus-addressing when you want free sorting by source and you accept that the base address is visible.

Send mail as when you already own multiple mailboxes and want to send from them inside Gmail.

A masking service when you want the vendor to hold a unique address, not your real one, and you want to cut one relationship without rewiring your whole identity.

Gmail's tools are a sensible starting point. For many people who treat their primary address as sensitive, they are not enough. For a field guide to providers, read the best email alias services in 2026.