For the success of any email marketing campaign it is important to find a suitable email list provider. A provider, who is legitimate, works for reasonable price, gives the maximum ROI and provides genuine lists or lists that really work. Before opting for the services of any email list provider it is important to talk it out on an in-depth basis. Have a clear cut idea regarding how the lists have been generated and compiled in the first place. Make sure that all the possible recipients have really given express permission to receive promotional about services and products similar to which you are thinking to market.