[Your Name]
[Street • City • State • Zip Code]
[Phone # • Fax phone # • Messages phone # • Email]

[Date today]

[Recipient's name]
[Company name]
[Address]
[Address]
[Address]
Dear [Recipient's name]:
Please accept this letter as my notice of resignation, effective [date].
This wasn't an easy decision, because I am grateful for the rewarding employment I've had with [Company name]. But after long hours of consideration, my decision is now final and I have accepted a position with another company.
Sincere thanks and best wishes for the future,
[Sign here]
[Your name, title]
cc [Names for copies]