How can I stop getting annoying junk emails on my iPad Air?

I’ve tried to unsubscribe about one hundred times from them but they keep getting sent anyways. I also don’t want to delete my email accou

I’ve tried to unsubscribe about one hundred times from them but they keep getting sent anyways. I also don’t want to delete my email account because it’s the main one I use.

or:I\u2019ve tried to unsubscribe about one hundred times from them but they keep getting sent anyways. I also don\u2019t want to delete my email account because it\u2019s the main one I use.

or:\"You can block unwanted messages that you are receiving. To accomplish this, you can follow the steps outlined below:1. Sign in to your Microsoft Hotmail account.2. Navigate to the Inbox page.3. Locate the email that came from \"reg clean pro advert\" then do a right click on that specific email then select For this sender and choose Delete all from...4. Tick the check box beside \"Also block future messages\".5. Click the Delete all button.Or this one:Sign in to your Microsoft account.Navigate to your Inbox page.Click the cogwheel icon on the upper right corner of the page, then select Options.Click Safe and blocked senders under Preventing junk emailClick Blocked senders.\"

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