To change a name on either list, click the name that you want to change and then click Edit. To create a file that uses your current list, click Export to File and then specify where you want the new file saved. Click Import from File and browse for the list file that you want. If you have existing lists of safe names and addresses, you can move that information into Outlook. If you want all such people to be considered as safe senders, select the Automatically add people I e-mail to the Safe Senders List check box. Some people whom you correspond to might not be listed in your Contacts. If you want all Contacts to be considered safe senders, select the Also trust e-mail from my Contacts check box in the Safe Senders tab. For example, you can add :Р”Р„ specific email address, such as Internet domain, such as or .Р”В¬lick OK and repeat for each entry that you want to add. In the Enter an e-mail address or Internet domain name to be added to the list box, enter the name or address that you want to add. To add safe recipients, on the Safe Recipients tab, click Add. To add safe senders, on the Safe Senders tab, click Add. On the Home tab, in the Delete group, click Junk, and then click Junk E-mail Options.

To manually add names or domains to these lists, do the following: On the Home tab, in the Delete group, click Junk, and then click Never Block the Group or Mailing List. To add a specific address or domain to the Safe Recipients List, click a message from the sender. On the Home tab, in the Delete group, click Junk, and then click Never Block Sender. To add a person to the Safe Senders List, click a message from the sender. Contact your administrator for further assistance. This may result in messages from domains or senders you've added to the Safe Senders list ending up in your Junk Email folder. Note:Р’В If your mailbox is hosted on Exchange or Exchange Online, changes you make to the Safe Senders list will not be recognized by Exchange or Exchange Online.

How to block emails on comcast