canada post what does rsmc stand for
RSMC stands for Rural and Suburban Mail Carrier (Canada Post). Suggest new definition. This definition appears rarely and is found in the following Acronym Finder categories: 1  Military and Government. 2  Organizations, NGOs, schools, universities, etc. RSMC.. 2  Retrieved October 20 2015 from http://www.acronymfinder.com/Rural-and-Suburban-Mail-Carrier-(Canada-Post)-(RSMC).html.