Nearly every marketing email has an Unsubscribe link, and by law, legitimate companies have to honor it, with a free, working opt-out. But that same legal expectation is exactly what scammers count on: a fake or spoofed email can carry a button that looks identical, and clicking it does something very different than it would on a real one. Unsubscribe, Block, and Report are three separate actions, and using the wrong one on the wrong email is how a single piece of spam turns into a flood of it. This guide walks through how to decide, for any given email, whether it’s actually safe to unsubscribe, or whether you should block a sender vs unsubscribe and report the message to your email provider instead.
Block a sender vs unsubscribe: how to decide
!That email has an Unsubscribe link…
Should you click it? Sometimes yes. Sometimes it’s exactly what a scammer wants.
1When it’s safe to unsubscribe
You recognize the company, and you signed up or bought something from them before.
2When to block instead
You don’t recognize the sender, or never signed up for anything from them.
How to actually do it
- Unsubscribe: use the link in the footer — Or the Unsubscribe chip Gmail and Outlook sometimes show next to the sender
- Block: right-click or open the sender menu — Outlook, Gmail, and Apple Mail all have a Block this sender option
- Report spam or phishing too — Reporting helps your provider’s filters catch the next one automatically
Recap: block a sender vs unsubscribe
- Recognize the sender, bought from them before? Unsubscribe is fine
- Unknown sender, urgent, or odd spelling? Block and report instead
- The link in the message is never required to stop spam
- Still unsure? Block is always the safer default
Printable quick guide
Frequently asked questions
Is it safe to click Unsubscribe?
Usually, yes, if you recognize the company and you’ve signed up with or bought from them before. By law, legitimate commercial email must offer a free, working opt-out. It’s the emails from senders you don’t recognize that are the risk.
Can clicking Unsubscribe make spam worse?
On a spam or phishing email from an unknown sender, yes. Clicking anything inside it, including an unsubscribe link, can confirm your address is real and actively read, which can lead to more spam, not less.
How do I block a sender instead?
Outlook, Gmail, and Apple Mail all have a Block this sender option, usually from a right-click menu or the sender’s name. Reporting the message as spam or phishing at the same time helps your provider’s filters too.
What if I’m not sure which one to use?
When in doubt, block and report instead of clicking anything inside the email. Blocking is always the safer default, since it costs you nothing if the sender turns out to be legitimate, and it closes the door completely if the sender turns out not to be.
Related guides
- How to Safely Open an Email Attachment
- How to Avoid Scam Calls and Texts
- Check if Your Email Was in a Data Breach, and What to Do
Source: How To Recognize and Avoid Phishing Scams (FTC Consumer Advice)