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Of all the reasons you have for using Gmail, spam filtering might be one of them. These filters help identify spam emails and ensure they never get to your inbox. Unfortunately, they aren’t 100% reliable. At times, the spam emails end up in the inbox, or even worse, the legit emails go to the spam folder.
Thankfully, Gmail solves this problem by creating a safe listing feature. By whitelisting, you prevent important emails from ending up in the spam folder. Dive in for information on how to whitelist on Gmail.
How to Whitelist an Email on Gmail
Whitelisting tells Google you trust a particular sender, and their emails should not end up in the spam folder, even if they look suspicious. A whitelisted email becomes whitelisted on all devices you’re logged in to. By whitelisting, you save yourself the frustrations of missing an email.
There are different ways to whitelist an email on a phone or computer. Let’s look at them below.
Whitelisting an Email on Gmail Through a Computer
On a computer, you can safelist an email by adding filters, adding the address to your contact list, or marking the email as not spam. Here are the steps to follow in each step:
Method 1: Whitelisting by Creating a Filter
Step 1: Log in to your Gmail account and click on settings

On your browser, search mail.google.com and enter your Google account details to log in to your inbox. Then click the gear-like icon at the top right corner to open Gmail settings.
Step 2: Select filters and blocked addresses

Navigate to filters and blocked addresses.
On the settings icon, select see all settings, then navigate to the filters and blocked addresses tab. It is the fifth tab under settings.
Step 3: Create a new filter

Click create a new filter.
On the filter and blocked addresses tab, scroll down to the blue link written to create a new filter.
Step 4: Enter the email address to whitelist

Enter the email address and click Create filter
You get a popup that looks like the compose field; enter the address to whitelist in the From field. You can also enter the email address in the To field. Nevertheless, do not fill in both the To and From fields, as Gmail will whitelist only the emails that meet both criteria. After entering the email address, click create filter at the bottom.
Step 5: Complete the whitelist steps

After clicking create filter, you open another page with options of what happens to the email that meets your selected criteria. Check the box to the left of Never send it to Spam and click create filter at the bottom right.
On clicking create filter, the email address you enter is safe listed. You can confirm this by checking the filters in your inbox. Go back to settings, then the filters and blocked addresses tab. Under themes, you will see the filters applied to that email address.

Alternatively:
It is also possible to safelist an email you received without using the settings. Follow these steps:
Step 1: Open an email and filter emails like these

Click an email you want to whitelist. Tap the three dots at the right corner to expand the options, then select filter messages like these.
Step 2: Select create filter

A new filter page opens with the email address auto-filled in the ‘from’ field. Click create filter below.
Step 3: Set what happens with emails from that address

On the open page, check the box to the left that reads Never send it to spam, then click create filter. This instructs Google to safelist the specified email.
Method 2: Whitelisting by adding an address to contacts
An address is automatically whitelisted when you add it to contacts. Therefore, if the address you want to safelist is already saved in your Google contacts account, you don’t have to whitelist it. Here are the steps to add a sender’s address to contacts and automatically whitelist them.
Step 1: Open an email from the sender

Click an email sent by the person you want to add to your contacts to open it. On their email, click on their profile picture or the icon that showcases the first letter of their name.
Step 2: Add to contacts

Click the contacts icon next to the sender’s email address to add the email to contacts. With the address added to your Google contacts, you have automatically whitelisted it. However, it doesn’t hurt to be more careful. So, you can still go through the steps in method one above to manually whitelist the email.
Method 3: Whitelist by marking it as not spam
If an email is already in your spam folder, you can whitelist it by marking it as not spam. This will also move the email back to the inbox. Follow these steps.
Step 1: Open your Gmail account and proceed to your spam folder

Log into your Gmail account on mail.google.com, then click more on the left sidebar. On the options that open, scroll down and click spam.
Step 2: Report not spam

Open the email and click Report not spam in the notification above the email. You’ll have automatically whitelisted the email address.
Whitelisting an Entire Domain
If you have email addresses with a common domain, say, addresses from a client or a company, you don’t have to whitelist them one after the other. Instead, you can safelist the entire domain, for instance, @historycomputer.com. Here are the steps.
Step 1: Open your inbox and proceed to settings

Log in to your inbox and click on the gear icon at the top right corner to open settings. Then select see all settings.
Step 2: Create a new filter

Navigate to the filters and blocked addresses tab. Scroll down to Create a new filter.
Step 3: Add the domain address to the whitelist

On the open page, add the domain address you want to whitelist and click create filter.
Step 4: Whitelist the domain

Check the box to the left of Never send it to spam to safelist the domain. Select Create filter, and you will have safe listed all emails from that domain. Be careful when whitelisting domains to avoid whitelisting domains that will lead to spam emails in your inbox.
Whitelisting Several Email Addresses
If you have several email addresses or domains you need to whitelist, you can do this by separating the addresses using the pipe symbol (|). To type this symbol, use the keyboard combination Shift+key with the hash sign(#).
Follow steps 1-3 above, and in the ‘from’ field, enter one email address and separate it with the pipe symbol.

Whitelisting on the Gmail App
If you are accessing Gmail on an iPhone or Android device, you can whitelist an address using the Gmail app. Here are the steps.
Step 1: Open the app and navigate to the spam folder

Open the app with a big colored M and enter your account details to continue to inbox. Next, click on the three lines at the top left corner, open a menu, and then scroll down to spam.
Step 2: Report not spam

Click on the email you want to safelist, then select Report not Spam in the email. The email is automatically sent to your inbox, and the address will be whitelisted in the future.
Conclusion
Gmail spam filters have gotten so good that they sometimes filter emails that are not spam. Fortunately, you can also safelist emails you never want to miss. After whitelisting, this will apply to the emails you receive next from the sender but will not remove those already in the spam folder.