You can remove an email address or domain name from the allowed or blocked list by clicking the trash icon. Press ENTER after each email address or domain name.Įach address or domain name that you add is listed in the appropriate section. To whitelist or blacklist multiple addresses or domain names, click the Bulk Edit button in the appropriate section, enter the addresses or domain names in the text box, and click the Save Changes button.For example, to block all 'dot-com' addresses, enter com instead of. Note: To block an entire top-level domain, the dot must be omitted.