in reply to OFF-TOPIC: Seeking LaTeX advice, please

Is there a reason you are not using the standard letter class or one of the many other letter classes (such as akletter? Most of these provide even for automated mailmerges.

CountZero

A program should be light and agile, its subroutines connected like a string of pearls. The spirit and intent of the program should be retained throughout. There should be neither too little or too much, neither needless loops nor useless variables, neither lack of structure nor overwhelming rigidity." - The Tao of Programming, 4.1 - Geoffrey James

In Section Seekers of Perl Wisdom