How to Block Email address through Gmail

Here's how to mark messages as spam:

Log into your Gmail account.
Select the message from the sender violations.
Now, there are two ways to mark a message as spam.

Click the down arrow on the right side of the email (besides the quick reply button). Select the "Report Spam."
Click the "Report Spam" at the top. Find button with an exclamation point in the middle of a stop sign.
Also, if you receive an email requesting your personal information, you can report the sender to fraud and helps Google identify similar email.

To report a message:

Log into your Gmail account.
Select the message from the sender violations.
Click the down arrow on the right side of the email (besides the quick reply button). Select "Report phishing."
Block email from shopping sites, social networks and similar sites

If you receive unwanted advertising messages and similar messages, you can block future emails from entering your inbox by unsubscribing from the email list.

To do this:

Log into your Gmail account.
Open the offending email.
Click on the "Unsubscribe".
Without the "unsubscribe" link, finding a link "Change Preferences" to remove themselves from the list. If neither of these options are available, you can block the email address using one of the methods listed above.

To block an email in Gmail, follow the steps below:

Step 1: Log into your Gmail account.
Step 2: Open an email from the sender you want to block. If you have a lot of emails in your inbox, you can use the search box at the top of the page to search the person's name.
Step 3: When an email is open, click the down arrow at the top right of the message (in addition to the quick reply button).
Step 4: Select "Block (Sender Name)" from the drop down list.
Step 5: Gmail will ask you to confirm the action. Click the Block button to continue. You'll notice that the dialog shows all emails from that sender will automatically be moved to the Spam folder.
  Create Email Gmail filters

Now, each time being in breach'll send you an email, it will automatically be moved to the Spam folder. This way, your inbox can never be filled with unwanted email. When you're ready to get rid of these emails, simply empty the Spam folder.

Email addresses are not blocked

What happens if you block an email, and then regret your decision? Gmail makes it easy to unblock users, too. Here's how:

Log into your Gmail account.
Click the gear icon in the upper right of your inbox.
Select Settings from the drop-down menu.
Click "Filters and Blacklists" tab.
Locate the sender wants to unlock, and click "unblock" link.
Mark messages as spam or phishing

Gmail do our best to filter out incoming spam, but some messages will be passed over time. That is why Google has made it easy for Gmail users to mark messages as spam. Therefore, it also helps Google improve its algorithm and block similar messages in the future from landing in your inbox.
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