White mails

I think you meant "white mail"!

White mail refers to a type of mail or correspondence that is typically used for official or formal purposes. It is often characterized by its formal tone, professional language, and official stationery.

In the past, white mail was often used for official government communications, such as diplomatic correspondence, official reports, and formal notifications. Today, white mail is still used in various contexts, including:

1. Business: Companies may use white mail to communicate with clients, partners, or stakeholders about important matters, such as contracts, agreements, or financial reports.
2. Government: Governments may use white mail to issue official documents, such as passports, visas, or licenses.
3. Education: Schools and universities may use white mail to communicate with students, parents, or faculty members about important announcements, policies, or academic matters.

In general, white mail is considered a formal and professional means of communication, and it is often used to convey important or official information.