This may depend partly on what the posts are for...
If they're fenceposts, and the concrete is below the frost line, you may not have much to worry about.
If they're posts meant to support a structure like a deck, I'd leave the post seperate from the concrete altogether. Concrete footings...
Hi all.
I have an 85-year old house with a lovely front porch. It has brick columns to half the height, topped by a concrete cap with a wooden base (2" thick block of wood) embedded in it (!), followed by wooden posts up to the wooden beam along the roof line. The wooden posts and the beam...