Image Suppression Continues to Vex E-Mail Marketers

* 14 percent compose their navigation bars with HTML text rather than images;

* 3 percent use HTML call-to-action buttons rather than images in their e-mails;

* 88 percent include a “click to view” link in their preheader text;

* 63 percent include whitelisting instructions in their preheader text;

* 21 percent of the e-mails displayed meaningful snippet text;