The fastest way to block junk on iPhone

The Mail app on iPhone has a built-in junk filter that catches most spam automatically — it sorts suspected junk into a separate folder so it does not clutter your inbox. You can also manually move messages to junk, report senders to Apple, and set up rules that send mail from specific addresses straight to trash. For aggressive filtering, you can switch to a third-party email app like Gmail or Outlook, which use machine learning to catch more spam than Apple's default filter.

The simplest starting point is to check whether your junk folder is actually working. Open Mail, tap Mailboxes at the bottom, scroll down, and look for a Junk folder. If you see messages there, the filter is active. If your inbox is still flooded, you likely need to take manual action on the worst offenders.

Key Takeaways

  • iPhone Mail automatically sorts suspected junk into a separate folder, but you can strengthen filtering by manually reporting senders to Apple.
  • Unsubscribe links at the bottom of marketing emails actually work and remove you from legitimate mailing lists, though they do not work on true spam.
  • Creating mail rules lets you automatically send messages from specific senders or containing certain words directly to trash or a custom folder.
  • Switching to Gmail or Outlook gives you access to their spam filters, which catch more junk than Apple Mail's default system.
  • Never reply to spam, click unsubscribe on suspicious emails, or confirm your address — these actions tell spammers your email is active and monitored.

Moving messages to junk and reporting senders

When you see a junk email in your inbox, swipe left on it (or long-press on it) and tap the trash icon. This moves it to your Deleted folder. To send it to junk instead, tap Edit at the top right of your inbox, select the message, then tap Move at the bottom and choose Junk.

More importantly, you can report the sender to Apple. Swipe left on the message, tap the three dots, and select Report Junk. This tells Apple's systems that the sender is a spammer, which helps improve filtering for all users. Do this consistently with the same senders, and Apple's filter learns to catch them automatically over time.

If a sender keeps getting through, you can block them entirely. Swipe left, tap the three dots, and select Block Contact. Blocked senders' messages will not appear in your inbox, though they may still land in junk.

Unsubscribe from legitimate marketing emails

Not all junk is spam. Marketing emails from real companies — newsletters, promotional offers, shipping notifications — often include an unsubscribe link at the very bottom of the message. Tap that link, and you will be removed from their mailing list. This works because the law requires legitimate businesses to honor unsubscribe requests.

The catch: unsubscribe only works on emails from real companies. Scam emails and true spam do not include real unsubscribe links, and clicking a link in a suspicious email tells the sender your address is active and monitored. If you are unsure whether an email is legitimate, do not click anything — just move it to junk instead.

If you signed up for a service and now regret it, unsubscribe is the fastest way out. If you are getting dozens of marketing emails from the same sender, unsubscribe once and the volume should drop when ready.

Create mail rules to filter automatically

Mail rules let you set conditions that automatically sort, delete, or flag messages without you having to touch them. Open Settings, scroll down to Mail, tap Rules, and tap Add Rule. You can create a rule that sends all messages from a specific sender to trash, or all messages containing certain words (like "viagra" or "click here now") to junk.

For example, you might create a rule that says: if the sender is noreply@somecompany.com, move to trash. Or: if the subject contains "limited time offer", move to junk. Rules run automatically on incoming mail, so you never see those messages in your inbox.

Rules are most useful for newsletters or notifications you no longer want but that are not quite spam. If you are getting repeated emails from a specific address, a rule is faster than unsubscribing because it takes effect when ready.

Switch to Gmail or Outlook for stronger filtering

If Apple Mail's junk filter is not catching enough spam, you can add your email account to Gmail or Outlook instead. Both apps use machine learning to identify spam patterns, and both have better track records than Apple Mail at catching junk before it reaches your inbox.

To add your email to Gmail, open the Gmail app, tap your profile picture, tap Manage Your Google Account, go to the Security tab, and follow the steps to add your email address. Gmail will then pull in your messages and filter them using its own system. You can keep using Apple Mail at the same time — both apps will see the same messages.

Outlook works similarly. Open the Outlook app, tap the menu, select Settings, and add your email account. Outlook's junk filter is particularly aggressive, so if you switch, check your junk folder occasionally to make sure legitimate mail is not being caught by mistake.

What not to do with suspicious emails

Never reply to spam, even to say "stop sending me emails." A reply tells the sender your address is real and monitored, which makes you a more valuable target. They will sell your address to other spammers or use it for phishing attacks.

Do not click unsubscribe links in emails you do not recognize or trust. Clicking confirms your address is active. If the email looks suspicious — misspelled sender name, urgent language, requests for passwords or money — move it to junk without clicking anything.

Do not open attachments from unknown senders, and do not click links that ask you to "verify your account" or "confirm your identity." These are common phishing tactics. If you think an email might be from your bank or a service you use, go directly to their website or app instead of clicking the link in the email.

Reduce junk before it starts

The best junk filter is prevention. When you sign up for online services, use a secondary email address if possible, or create a Gmail address specifically for newsletters and promotions. This keeps your main email address off mailing lists.

Be cautious about where you enter your email. Avoid posting it publicly on websites or social media, where spam bots can harvest it. If a website asks for your email and you do not trust it, skip the signup.

If you have had the same email address for years, it has probably been sold to marketing lists multiple times. You cannot undo that, but you can reduce future junk by being selective about where you share your address going forward.

Frequently Asked Questions

Why are emails still getting through to my inbox after I report them as junk?

Reporting junk helps Apple's system learn, but it takes time and does not affect messages already in your inbox. If the same sender keeps getting through, create a mail rule or block them directly. Apple Mail's filter is also less aggressive than Gmail's, so some junk will always slip through.

Can I recover emails I accidentally moved to junk?

Yes. Open Mail, tap Mailboxes, scroll to Junk, find the message, swipe left, and tap Move. Select your inbox or another folder. You can also long-press the message and use the Move option. Deleted emails stay in your Deleted folder for 30 days before being permanently removed.

What is the difference between junk and spam?

Junk is unwanted email from legitimate sources — newsletters, promotions, notifications you signed up for but no longer want. Spam is unsolicited email from unknown senders, often trying to scam you or sell something illegal. Both go to junk, but spam is more dangerous and should never be replied to or clicked.

Does blocking a contact stop them from emailing me?

Blocking prevents their messages from appearing in your inbox, but they can still send emails — you just will not see them. Their messages may land in junk instead. If you want to stop them completely, blocking combined with a mail rule is most effective.

Is it safe to click unsubscribe on emails from companies I recognize?

Yes, if you recognize the company and signed up for their emails. Unsubscribe links from real businesses are safe and required by law. Only avoid unsubscribe links in emails from senders you do not recognize or trust.