PLACE one can of corn with its liquid and 1/2 cup water in blender; cover. Blend until smooth. Pour through fine mesh strainer into large saucepan, pressing pulp against mesh to release liquid. Discard solids. Repeat with remaining cans of corn and 1 cup water.
STIR in sugar, cinnamon stick and salt. Bring to a boil. Reduce heat to low; stir occasionally.
BRING evaporated milk and remaining 1 cup water to a boil in medium saucepan. Stir milk mixture into corn mixture; remove from heat. Remove cinnamon stick. Pour into mugs. Garnish each serving with reserved corn kernels.