To whitelist an email in Gmail, you can use the following steps:1. In Gmail, open the email you want to whitelist.2. In the email's address bar, type in the email's name (for example, \\"joe@example.com\\").3. In the \\"From\\" field, type in the email's sender's name (for example, \\"joe@example.com\\").4. In the \\"Subject\\" field, type in a sentence that explains why you want to whitelist the email.5. In the \\"Attachment\\" field, type in a file name or a link to a file that you want to include in the email.6. In the \\"Reply-To\\" field, type in the email's reply address (for example, \\"joe@example.com\\").7. Click \\"Whitelist.\\"