Write a letter? What should I write on the envelope?

When writing a letter, the name and address of the recipient and the name and address of the writer should usually be written on the envelope to show respect and courtesy. On the envelope, you can also write some congratulatory words or content that will arouse the interest of the recipient, such as: 1 Name and address of the recipient Name and address of the writer 3. Blessings (For example, I wish you a happy birthday, good health, success in your career, etc.) The purpose of the writer (e.g., to thank you for your reply, to ask for help, to express gratitude, etc.) 5. Sign and date Pay attention to grammar, spellings, clarity and conciseness when writing so that the recipient can understand you more easily.