This is a follow-up letter to a direct mail house in which you refer to a previous letter and insist that they stop sending junk mail without delay.
1234, Main Street
Boston, MA 02123
<Recipient Address Goes Here>
<time of sending first letter> I sent you a letter requesting that your company cease sending me your direct mail solicitations. You are required by law to comply. Since that time, I have continued to receive your mailers.
I insist that your company immediately stop any and all mailings to my address, unless it is to send me a letter notifying me that you have taken the appropriate action. I appreciate your attention in this matter, and I sincerely hope I will not be forced to write to you again.
Thank you for your time.
encl: <List of enclosed items goes here>