As the end of the first quarter draws near, it's time to review your e-mail efforts to determine if you're still on the road to success. Though sales and response rates are key indicators to how well your program is performing, there are 12 critical areas where you can rate your program's effectiveness to forecast how well you can expect the rest of the year to go. The questions were initially proposed "These questions represent categories that are core areas for analysis with our clients' e-mail marketing programs,"