You are bound to receive unwanted emails while using a business email platform. Most of the time, these emails become regular in your list in spite of unsubscribing them. Fortunately, Microsoft Outlook provides you a facility to filter the list of email recipients and senders at your convenience. It allows you to block emails from particular senders you do not wish to hear.
In this blog, we shall discuss how you can block or allow a particular sender in Outlook by using the Junk mail filtering option.

How to Block or Allow Senders in Outlook?

We have a Junk Email Filter in Outlook that allows you to customize the list of senders and receivers. You can either block the address of a particular sender or the entire domain.

Method 1 Block a Sender in Outlook

Block individual senders
  • Launch Outlook.
  • Locate the email of the particular sender you want to block.Locate the email
  • Right-click on the message from the sender. Click Junk and select the Block Sender option.Right-click on the message from the sender
  • The sender will still be able to send you an email, but the mails will directly move the Junk Email folder.
  • Block Domain Name
  • Under the Home tab in the Deleted group, click Junk
  • Select Junk Email Options.Select Junk Email Options
  • Under the Blocked Senders tab, click Add.Under the Blocked Senders tab
  • In the Add address or domain box, enter the domain name of the sender you want to block. Click OK.
    domain box
  • In order to remove the domain name of any sender from the blocked list, select the name to be unblocked and then click Remove. Click OK. click Remove
  • Method 2 Allow a Sender in Outlook

    Allow Domain Name
  • Under Junk Email Options, click on the Safe Senders tab and click Add.Under Junk Email Options
  • Enter the domain of the sender you want to allow. Click OK.Enter the domai
  • Emails received from the Safe Senders list will never be treated as Junk Emails.
  • Allow Individual Senders
  • Locate the email of the particular sender you want to mark safe.
  • Right-click and select Junk. Click on Never Block Sender/ Never Block Sender’s Domain/ Never Block this Group or Mailing List.Right-click and select Junk
  • Please note that marking a particular sender as safe will not remove them from the block list. You need to remove them separately from the Blocked Senders tab.

The above options of blocking a particular sender in Outlook will not stop anyone from sending an email. The messages will subsequently be placed in the Junk folder. You need to keep a regular check on the Junk folder so that no important messages are stored there.


Sometimes stored messages in the Junk folder can make you miss some important emails. These emails can get accidentally deleted or lost, causing a permanent data loss. And Outlook Inbox will not be showing all emails – How to Fix the Issue?
In all these cases, it is safe to use professional tools that can help retrieve deleted or lost data. One such great tool is Outlook PST Repair. This tool comes with great benefits and helps retrieve and recover permanently lost or deleted PST files. The data can then be stored and saved to PST, Office 365, Exchange, and different file formats. Also, it helps you to save Microsoft Outlook emails to a USB flash drive.

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