Your next direct mail campaign might have the most compelling copy, innovative pack design, and user-friendly response mechanism, but if it doesn’t arrive in the mailboxes of your supporters all has gone to waste. Ray Fewell runs the rule over mailing houses. Your next direct mail campaign might have the most compelling copy, innovative pack design, and user-friendly response mechanism, but if it doesn’t arrive in the mailboxes of your supporters all has gone to waste. Ray Fewell runs the rule over mailing houses. While mail houses are often viewed as the “unsexy” link in the direct mail chain, they are vital to getting your message out in a timely,…