The fastest way to reduce unwanted email is to stop giving out your address in the first place
Most unwanted email arrives because your address ended up on a mailing list — either because you entered it on a website, bought something online, or your address was sold by a company that collected it. You cannot stop every unwanted email, but you can prevent most of it by being selective about where your address goes and by using separate addresses for different purposes.
The second-fastest step is to unsubscribe from legitimate mailing lists. Many unwanted emails are not spam — they are newsletters, promotional messages, or notifications from services you signed up for. These almost always have an unsubscribe link at the bottom. Clicking it removes you from that sender's list, though it may take a few days to take effect.
If you have already received years of unwanted email, the problem is usually not one sender but many. The sections below cover how to handle each type: how to stop giving your address away, how to unsubscribe from lists you are already on, how to use filters to hide unwanted email, and how to report actual spam.
Key Takeaways
- Use a separate email address for online shopping, social media, and website signups so unwanted email does not reach your main inbox.
- Most unwanted email from companies includes an unsubscribe link at the bottom — clicking it removes you from their list within a few days.
- Gmail, Outlook, and Yahoo all have built-in filters that automatically move unwanted email to a spam folder based on sender or keywords.
- If you receive email claiming to be from your bank or a payment service asking you to confirm your account, do not click any links — call the company directly using the number on your statement instead.
- Reporting unwanted email as spam teaches your email provider to filter similar messages, but unsubscribing is faster if the email includes an unsubscribe link.
Use a separate email address for shopping and signups
The simplest way to keep your main inbox clean is to use a different email address for online purchases, website registrations, and social media. Most email providers let you create multiple addresses for free — Gmail allows you to add addresses with a plus sign (like yourname+shopping@gmail.com) and treat them as separate inboxes, while Outlook and Yahoo let you create entirely separate accounts.
When you shop online or sign up for a service, use your secondary address instead of your main one. Your primary address stays off mailing lists and out of databases that get sold to marketers. You can check your secondary address when you want to see order confirmations or account notifications, but unwanted email will not reach your main inbox.
This approach works because most unwanted email comes from companies that bought or collected your address legally — they are not breaking rules, they are just marketing to you. By keeping your primary address private, you avoid the problem before it starts.
Unsubscribe from mailing lists you are already on
If you signed up for a newsletter, a store's promotional emails, or notifications from a website, that email is not spam — it is a mailing list you joined. The fastest way to stop it is to click the unsubscribe link, which appears at the very bottom of almost every legitimate marketing email. It usually says "Unsubscribe" or "Manage your preferences."
Unsubscribing removes you from that sender's list, though it may take three to seven days to take effect. You should see fewer emails from that company after that point. If you continue to receive email from them after two weeks, you can mark those messages as spam or report them to your email provider.
Do not reply to the email asking to be removed — that confirms your address is active and may result in more email. Always use the unsubscribe link instead. If an email does not have an unsubscribe link at the bottom, that is a sign it may be actual spam rather than a legitimate mailing list, and you should report it instead.
Create filters to automatically sort unwanted email
Once you have unsubscribed from lists you do not want, you can use your email provider's filter feature to automatically move remaining unwanted email out of your inbox. Gmail calls this feature "Filters and Blocked Addresses," Outlook calls it "Focused Inbox" and "Rules," and Yahoo calls it "Filters." All three work similarly: you tell the system to move email from a specific sender, or email containing certain words, to your spam or trash folder automatically.
To create a filter in Gmail, open an email from the sender you want to block, click the three dots in the top right, and select "Filter messages like these." You can then choose to delete them, send them to spam, or move them to a label. In Outlook, right-click the email and select "Create rule," then choose what to do with future messages from that sender. In Yahoo, go to Settings, select "Filters," and add a new filter with the sender's address or keywords you want to block.
Filters are useful for senders you do not want to unsubscribe from — for example, if you want to keep emails from a sender but move them to a separate folder so they do not clutter your inbox. They are also useful for blocking email that contains certain words or phrases you know you do not want to see.
Report actual spam to your email provider
Spam is email sent to you without your permission by someone trying to sell you something, trick you into clicking a link, or steal your information. It is different from a mailing list you signed up for. If an email does not have an unsubscribe link, or if you never signed up for it, it is likely spam.
To report spam, open the email and click the "Report spam" or "Report junk" button. In Gmail, this is a trash icon in the toolbar. In Outlook, it is the "Junk" button. In Yahoo, it is the "Spam" button. Reporting teaches your email provider to filter similar messages in the future, so other users benefit too.
Do not click links or read attachments from spam email, and do not reply to it. If the email claims to be from your bank, a payment service, or a company you use, do not click any links in the email — instead, call the company directly using the phone number on your statement or website. Scammers often send fake emails that look like they come from real companies.
Recognize phishing emails and report them
Phishing emails pretend to be from a bank, payment service, or company you use, and ask you to confirm your account, update your password, or verify your payment information. They usually include a link that looks like it goes to the real company's website, but actually goes to a fake site designed to steal your information.
If you receive an email asking you to confirm your account or update your information, do not click the link. Instead, go directly to the company's website by typing the address into your browser, or call the number on your statement. Real companies do not ask you to confirm sensitive information by email.
Report phishing emails to your email provider by clicking the spam or report button, and also report them to the company being impersonated. Most companies have a way to report phishing on their website — for example, you can forward phishing emails that claim to be from PayPal to spoof@paypal.com. Reporting helps the company and your email provider protect other users.
Use your email provider's spam folder settings
Gmail, Outlook, and Yahoo all have built-in spam detection that automatically moves obvious spam to a spam folder. You can adjust how aggressive this filtering is. In Gmail, go to Settings and select the "Filters and Blocked Addresses" tab to see what is being filtered. In Outlook, go to Settings and select "Mail" to adjust your junk email protection level. In Yahoo, go to Settings and select "Filters."
Check your spam folder occasionally to make sure legitimate email is not being filtered by mistake. If you find an email from a sender you want to hear from, click "Not spam" or move it back to your inbox, and your provider will learn to treat that sender differently in the future.
Be careful not to set your filter too aggressively, because legitimate email from companies you do business with may end up in spam by mistake. A moderate setting usually catches most unwanted email while letting through the messages you actually want to see.
Frequently Asked Questions
What should I do if I unsubscribed but still get emails from that sender?
Wait a few days — unsubscribe requests can take up to a week to process. If you still receive email after two weeks, mark those messages as spam. Your email provider will learn to filter that sender automatically. You can also create a filter to send all future emails from that sender directly to spam.
Is it safe to click the unsubscribe link in an email?
Yes, if the email is from a legitimate company. Unsubscribe links from real businesses are safe to click. However, if the email looks suspicious, does not match the sender's usual style, or is asking you to confirm account information, do not click any links — report it as spam instead.
Can I block all email from a specific sender?
Yes. In Gmail, open an email from that sender, click the three dots, and select "Block [sender]." In Outlook, right-click the email and select "Block." In Yahoo, click the sender's address and select "Block." Blocked senders' emails go straight to spam, though you can unblock them later if you change your mind.
What is the difference between spam and a mailing list I signed up for?
Mailing lists you signed up for include an unsubscribe link at the bottom and are from companies you have a relationship with. Spam does not have an unsubscribe link, comes from senders you do not recognize, or tries to trick you into clicking a link or opening an attachment. Report spam; unsubscribe from mailing lists.
Should I reply to spam emails to ask them to stop?
No. Replying confirms your address is active and monitored, which usually results in more spam. Always use the report or spam button instead, or click unsubscribe if the link is available. Never reply to or engage with spam.