Tactics in growing email lists. It cannot be denied that Email Marketing has its great challenge for B2B marketing research. In this post, we will be citing some evidence presented in the research of E. Fariborzi and M. Zahedifard from the International Journal of e-Education, e-Business, e-Management and e-Learning, Vol. 2, No. 3, June 2012 in some the tactics in growing email lists of any B2B marketers should implement.