Even though most Spam/Junk emails go to the “Junk” folder automatically; occasionally, some still manage to get through to the inbox. Thankfully, there are ways to edit the spam filter to reduce messages accidentally marked as spam while keeping junk messages marked junk. 

Below are some ways to do this in popular email applications. Click on the application you need to go directly to the instructions. 

Important: If you need more information on how to use third party mail applications, please refer to that application’s online help. 


For versions: Outlook for Microsoft 365, Outlook 2019, Outlook 2016, Outlook 2013, and Outlook 2010. 

1. Click Home

2. Under the Delete Group, click the drop-down next to Junk and then click Junk Email Options.

3. A window will pop up with the below options. Choose whichever option is preferable.

  • No Automatic Filtering – This turns off the automatic Junk Email Filter. However, Blocked Senders will still be moved to the Junk Email folder. 
  • Low – This option is used when you do not receive much junk email or only want to filter the most obvious junk email.
  • High – This option is for people who get a lot of junk email, but don’t want to restrict email from safe senders. Check the Junk folder often as there may be messages accidentally marked as spam.
  • Safe Lists Only – This will mark any email not from someone in your Safe Senders list as junk. 

4. Click Apply and then click OK.


For Outlook 2007:

1. In Tools, click Options

2. Under Preferences, then E-mail, click Junk E-mail. A new window will open. 

3. Choose whichever option is preferable: No Automatic Filtering, Low, High, and Safe Lists Only.

4. Click OK

Note: Source: 

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1. Log onto the Exchange server with the administrative credentials.

2. Open the Exchange System Manager.

3. Click the Global Settings option in the left pane to expand the list.

4. Right-click on the Message Delivery option, and then click the Properties option from the context menu. The Message Delivery Properties window opens.

5. Click the Connection Filtering tab to edit connections that will be blocked. 

6. Click the existing connection, and then click the Edit button to edit the blocked connection settings.

7. Click the Recipient Filtering tab to edit blocked recipients. 

8. Click on the existing recipient, and then click the Edit button to edit a blocked recipient.

9. Click the Sender Filtering tab to edit blocked recipients. 

10. Click on the existing sender, and then click the Edit button to edit a blocked sender.

11. Click the OK button when finished editing the junk email settings.

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Apple Mail

1. In the Mail app on your Mac, choose Mail > Preferences, then click Junk Mail.

2. Specify what Mail should do when junk mail arrives.

  • If you want to verify what the filter identifies as junk mail, select Mark as junk mail, but leave it in my inbox.
  • If you are sure the filter accurately identifies junk mail, select Move it to the Junk mailbox.
3. To set up other actions, select Perform custom actions, then click Advanced.

Note: To make sure the filter’s database is used to identify junk mail, do not change the default condition “Message is Junk Mail.”  

4. Select the options for exempting messages from being evaluated, such as messages received from people who use your full name.

5. To include in the filter any junk mail detection inherent in messages, select Trust junk mail headers in messages.

Note: Source: 

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Gmail spam filters automatically move spam email messages (sometimes called junk mail) into users’ spam folders. You cannot turn off Gmail’s spam filters, but if you have G Suite, you can create filters that:

  • Bypass spam classification for messages received from users on an approved senders list that you create.
  • Bypass spam classification for messages received from senders within your domain.
  • Put spam messages in quarantine so you can review them before they are delivered to users.
  • Filter bulk email more aggressively.

Note: This only can exist if you have G Suite. Please see the instructions below. If you do not have G Suite, you can mark the email as Spam in Gmail.  

1. Sign in to your Google Admin console.

2. Go to AppsG SuiteGmailAdvanced settings.

3. Select an organization.

4. Scroll to the Spam section, hover over the “Spam” setting and click Configure.

5. Check the Be more aggressive when filtering spam box to configure more aggressive spam filtering.

6. Check the Bypass spam filters for messages received from internal senders box to bypass spam filters for internal messages from users within the same organization.

7. Check the Bypass spam filters for messages received from addresses or domains within these approved senders lists box.

8. Click Use existing or create a new one, type in a new list name, and click Create.

9. Click the list name to use an existing list as your approved sender list.

Note: Source:

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