How to Stop Spam When Signing Up Online

Most inbox spam traces back to one thing: handing your real address to every site that asks. You can cut the flow dramatically with a few habits — and a temporary email for the signups that don't deserve your real one.

1. Use a disposable address for low-trust signups

This is the highest-leverage move. For trials, downloads, forums, and one-off accounts, use a throwaway inbox so any later marketing or breach fallout lands somewhere you discard. See it in action for free trials and newsletters.

2. Uncheck the opt-in boxes

Many signups pre-check "send me product news and offers." Untick them. It's the difference between one confirmation email and an indefinite campaign.

3. Read the privacy policy (or at least skim it)

Reputable sites link a privacy policy from any form that asks for your email. A quick look tells you whether they sell or share data before you hand it over.

4. Don't confirm your address to spammers

Don't click links in unsolicited mail — not even "unsubscribe" on obvious spam. It often just confirms your address is live, inviting more. Use your mail client's "report spam" button instead, which also trains the filter.

5. Separate identities

Keep a clear split: your real inbox for banking, work, and people; disposable or alias addresses for everything low-stakes. This containment is the whole idea behind disposable email vs real email.

Is a disposable inbox itself safe?

Use a private, account-bound mailbox rather than a public one, and never route sensitive mail through a throwaway — details in is temporary email safe?.

Ready to cut the spam at the source? Create a temporary email address and stop giving out your real one.