: Go to the Home tab, click Block (or the gear icon in the web version), and navigate to Junk E-mail Options > Blocked Senders tab to manually Add email addresses or domain names. Gmail : Open a message from the sender.
| Type | Example | Use Case | |------|---------|----------| | | spammer@example.com | Block a specific nuisance sender. | | Entire Domain | @spamdomain.net | Block all senders from a known spammy domain. | | IP Address / Range | 192.0.2.0/24 | Block mail servers known for abuse (common at admin level). | blocked senders