Hi, you must add a blank line after the "Content-Type" line to separate headers from body.
See also https://docs.bestpractical.com/rt/4.4.1/customizing/templates.html#Templates Chris --------- RT 4.4 and RTIR training sessions, and a new workshop day! https://bestpractical.com/training * Boston - October 24-26 * Los Angeles - Q1 2017
