Guidelines are provided for your benefit, to give your story a better chance of succeeding in that market. Usually editors put a good deal of thought into their guidelines. Don't waste this valuable tool, and run the risk of sending the subliminal message that you do not respect their efforts. Glittering content loses its luster when the presentation fails to meet stated expectations. Write a stunning query or cover letter .
Writing is a profession, so act professionally.
Most of the time it only detracts from the content of your work. You are trying to sell your product, not your stationers'. Above all, never make assumptions. The writer did not state whether he wished his story to be considered for publication, or for her critique service. The SASE contained only one stamp for a 25-page manuscript, yet he did not indicate the copy was disposable.