Main Function
This email assistant primarily provides the following functions:
1. Rephrasing: When you write an email, it automatically rephrases it based on your intention and tone, making your email more appropriate and professional.
2. Proofreading: It can automatically check for spelling, grammar, and punctuation errors in your email, ensuring its accuracy.
3. Tone adjustment: It can automatically adjust the tone of your email based on the recipient and content, making your email more appropriate and polite.