Can you provide a source? I can provide two indicating they do not. https://www.wusa9.com/article/news/verify/can-you-send-cash-in-the-mail-upsp-verify-mailing

Can you provide a source? I can provide two indicating they do not. https://www.wusa9.com/article/news/verify/can-you-send-cash-in-the-mail-upsp-verify-mailing-money/65-4c217fd1-e7fc-4d6b-80bf-ed681fc5389c https://www.wusa9.com/article/news/verify/can-you-send-cash-... https://apnews.com/article/archive-fact-checking-9264421609 https://apnews.com/article/archive-fact-checking-9264421609 You should report to the postmaster general if you are refused service; they would be interested in hearing about this.