Tips of E-Mail Marketing Avoiding Spam Filters
This document explains and demonstrates the basics of how email is work on the Internet. By analyzing the working process of e-mail, it try and describe some tips that can help reduce the number of emails you send out that get blocked by spam filters.
G. M. Zhou "Tips of E-Mail Marketing Avoiding Spam Filters", Advanced Materials Research, Vols. 271-273, pp. 1082-1085, 2011