Managing Senders blacklist in Gmail
Settingsbutton as a gear icon on the top right.
Filters and Blocked Addressestab.
The following email addresses are blocked. Messages from these addresses will appear in Spam:and the line below with the blocked emails.
Unblockbutton next to the email address you wish to unblock. If you want to unlock multiple emails at once, highlight the checkboxes on the left and click
Unblock selected addresses.
If you want to create more flexible blacklist rules (for example, blocking emails that end in "@example.com") you should use a filter. You can read more about using different filters in our article: Email filters - how to automate your email inbox.