While I know that students are encouraged to "tailor" their applications to the particular school or program they're applying to, does the same hold true for the people writing letters of recommendation on their behalf? In other words, is it possible just to change the "addressee" portion, and use a greeting such as "Dear Members of the Admissions Committee," or is more personalization required?
Just to clarify here, I'm referring to the "pro-forma" parts of the letter, rather than the actual content of the recommendation per se.