Is best an appropriate sign off?

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Tags

1. #whether
2. #ending
3. #drafting
4. #email
5. #sincerely
6. #easiest
7. #forget
8. #probably
9. #warmest
10. #closing
11. #keepin
12. #replies
13. #thanks
14. #second
15. #thought
16. #takes
17. #regards