The US Postal Service filed notice with the PRC last Friday to increase postage rates effective January 24, 2021. Although the overall proposed postage rate increase for Marketing Mail is 1.51%, the increase varies by classification, with Parcels taking the biggest hit: Product% ChangeLetters0.771%Flats3.553%Parcels16.791%High density / saturation letters2.373%High density / saturation flats and parcels0.989%Carrier route3.529%Every Door Direct Mail0.524%Overall increase1.509% Postage for the Letters classification will...