The fastest way to stop spam in Gmail

Open the spam email, click the three dots in the top right corner, and select Block [sender's name]. Gmail will send all future emails from that address to your spam folder automatically. This works for individual senders, not entire domains — if spam comes from multiple addresses at the same company, you will need to block each one separately.

If you want to report the email to Google as well as block it, click the three dots and choose Report phishing or Report spam instead. This tells Google's systems that the sender is malicious, which helps protect other Gmail users. The email still goes to spam, and the sender is still blocked from reaching your inbox.

For emails you have not opened yet, you can block the sender directly from your inbox list. Hover over the email, click the three dots that appear on the right, and select Block [sender's name]. You do not have to read the message first.

Key Takeaways

  • Blocking a sender in Gmail sends all their future emails to spam and prevents them from reaching your inbox.
  • Use Report spam or Report phishing instead of just blocking if the email looks like a scam, because it helps protect other Gmail users.
  • Gmail's filters can automatically sort emails by sender, subject line, or keywords — set these up in Settings to catch spam before it reaches your inbox.
  • Unsubscribe links at the bottom of marketing emails are usually legitimate and remove you from that sender's mailing list faster than blocking.
  • Never reply to spam, click links in suspicious emails, or read attachments from unknown senders, even to unsubscribe.

Using Gmail filters to catch spam before it arrives

Gmail's built-in filters let you automatically sort or delete emails based on the sender, subject line, or words in the message. To create a filter, click the search box at the top of Gmail, then click the three dots on the right side of the search box and select Create filter. Gmail will show you the search terms you just used and ask what you want to do with matching emails.

You can choose to skip the inbox (send to spam), delete automatically, star, or explore a label. For example, if you receive repeated emails with "Congratulations you won" in the subject line, search for that phrase, create a filter, and tell Gmail to delete all matching emails. The filter applies to all future emails — it does not affect messages already in your inbox.

Be careful with filters that delete automatically. If you are not certain you want to discard every email matching those terms, choose Skip the inbox instead, which sends them to spam where you can review them before they are permanently deleted.

Unsubscribe from marketing emails the right way

Most legitimate marketing emails include an Unsubscribe link at the very bottom of the message. Clicking it removes you from that sender's mailing list and usually stops the emails within a few days. This is faster and more reliable than blocking, because blocking only affects that one sender — if they send from multiple addresses, you have to block each one.

Unsubscribe links are safe to click on emails from real companies like retailers, newsletters, or services you signed up for. The link straightforward removes your email address from their list. However, never click unsubscribe on emails from unknown senders or emails that look like phishing attempts — those links can confirm your email is active and lead to more spam.

If an email claims to be from a company you recognize but you never signed up for it, block or report it instead of unsubscribing. Scammers sometimes impersonate real companies, and clicking unsubscribe on a fake email tells them your address is monitored.

Recognizing spam and phishing before you block

Spam is usually just unwanted marketing or repetitive messages. Phishing is a scam designed to steal your password, credit card number, or personal information. Phishing emails often claim there is a problem with your account, ask you to verify your identity, or offer something too good to be true. They may include a link that looks like it goes to Gmail or your bank but actually goes to a fake website controlled by the scammer.

If an email asks you to click a link and log in, do not click. Instead, go directly to the website by typing the address into your browser yourself. If there really is a problem with your account, you will see it when you log in normally. Gmail will never ask you to verify your password by clicking a link in an email.

Report phishing emails to Google using the Report phishing option, not just Report spam. This helps Google identify and block the scammer's infrastructure, protecting other users. After reporting, block the sender so you do not see their emails again.

What happens when you block someone in Gmail

When you block a sender, Gmail automatically sends all their emails to your spam folder. You will not see notifications for their messages, and they will not appear in your inbox. If that sender creates a new email address and sends you a message, Gmail will not automatically block the new address — you will have to block it separately.

Blocking is not the same as reporting. Blocking only affects your account — the sender is not notified, and their emails are not removed from Gmail's servers. Reporting tells Google that the sender is malicious, which helps Google's systems identify and block them for other users as well.

If you block someone by mistake, you can unblock them. Go to Settings (the gear icon in the top right), click See all settings, go to the Filters and Blocked Addresses tab, find the blocked address, and click Unblock.

Protecting your email address so you receive less spam

Spam often starts because your email address was sold to marketers, exposed in a data breach, or harvested from a public website. You cannot undo that, but you can slow down future spam by being careful where you share your address.

When you sign up for a website or service, check whether they offer a separate email for marketing. Many retailers and newsletters let you use one email for account login and a different one for promotional messages. You can also create a separate Gmail address just for online shopping or signups, and use your main address only for people you know and services you trust.

If your email address is already on spam lists, blocking and filtering will reduce what reaches your inbox, but the spam will not stop completely. Over time, as you block senders and report phishing, Gmail's filters learn what you consider spam and automatically sort more of it away from your inbox.

When to report spam versus just blocking

Use Block for emails you straightforward do not want to see — unwanted newsletters, old contacts, or messages from people you prefer not to hear from. Use Report spam for obvious junk mail with no real sender information or multiple recipients. Use Report phishing for emails that try to trick you into giving up passwords, clicking malicious links, or downloading files.

Reporting phishing is especially important because it protects other Gmail users. When you report an email as phishing, Google analyzes it and may block the sender's infrastructure entirely, preventing them from reaching anyone else. Blocking only protects you.

If you are not sure whether an email is phishing or just spam, report it as phishing. Google will review it, and if it is not actually a phishing attempt, no harm is done. If it is phishing and you only blocked it, the scammer can still reach other people.

Frequently Asked Questions

Can I block an entire domain instead of individual email addresses?

Gmail does not have a built-in block domain feature, but you can create a filter that catches all emails from a domain. Search for "from:@example.com" (replacing example.com with the domain you want to block), create a filter, and tell Gmail to delete or skip the inbox. This catches all emails from that domain, including new addresses created there.

What is the difference between spam and promotions in Gmail?

Gmail automatically sorts marketing emails into a Promotions tab if you have tabs turned on. These are usually legitimate emails from companies you signed up for. Spam is unsolicited or malicious email that Gmail's filters catch. You can unsubscribe from promotions, but you should block or report spam.

If I block someone, can they tell I blocked them?

No. When you block a sender, they are not notified. Their emails straightforward go to your spam folder. They will not receive a bounce-back message or any indication that you blocked them. However, if they contact you through another method and ask why you are not responding, they may suspect you blocked them.

Does reporting spam to Gmail actually stop the sender?

Reporting spam tells Google about the sender, but it does not stop them from sending to other people. However, if many users report the same sender, Google may block them entirely. Reporting is most effective for phishing emails, where Google can shut down the scammer's infrastructure and protect thousands of users at once.

Can I recover emails I deleted after blocking someone?

Deleted emails go to your Trash folder and stay there for 30 days before Gmail permanently deletes them. You can recover them during that time by opening Trash, finding the email, and moving it back to your inbox. After 30 days, they are gone permanently.