The ornamental design for a farmhousemailorganizer with chalkboard surface, as shown and described.
FIG. 1 is a perspective view of the farmhouse mail organizer with chalkboard surface;
FIG. 2 is a front view therein;
FIG. 3 is a rear view therein;
FIG. 4 is a right side view therein;
FIG. 5 is a left side view therein;
FIG. 6 is a top view therein; and,
FIG. 7 is a bottom view therein.
The broken lines are shown for the purpose of illustrating environmental subject matter of exemplary fasteners and that form no part of the claimed design.