How say thank you in mail

Here are some ways to say "thank you" in a mail:

Formal

• Dear [Name], I wanted to take a moment to express my sincere gratitude for [specific reason]. Thank you for [specific action or gift].
• I am writing to express my heartfelt thanks for [specific reason]. Your [action or gift] has made a significant impact on my life.
• Please accept my deepest gratitude for [specific reason]. Your [action or gift] has been a tremendous blessing.

Informal

• Hey [Name], just wanted to say thanks a million for [specific reason]. You're the best!
• Thanks so much for [specific reason]. I really appreciate it!
• I just wanted to drop you a line and say thanks for [specific reason]. You're amazing!

In a business setting

• Dear [Name], I wanted to take a moment to express my appreciation for [specific reason]. Your [action or gift] has been a valuable asset to our [company/organization].
• Thank you for your [action or gift]. Your support has been instrumental in [specific outcome].
• I would like to extend my gratitude to you for [specific reason]. Your [action or gift] has made a significant contribution to our [company/organization].

In a gift-giving context

• Dear [Name], I wanted to thank you for the [gift]. It was such a thoughtful and generous gesture, and I am truly grateful.
• Thank you for the [gift]. It's exactly what I needed, and I will treasure it always.
• I wanted to express my heartfelt thanks for the [gift]. It's a reminder of your kindness and thoughtfulness.

Remember to always be sincere and specific when expressing gratitude in a mail.