JupiterResearch, a division of Jupitermedia Corp., Thursday released its most recent assessment of e-mail service providers (ESPs). The "E-mail Marketing Buyers Guide" evaluates 28 ESPs, of which 17
are classified as full and collaborative service providers, and 11 as middle market providers.
In the full and collaborative service provider category JupiterResearch recognizes seven vendors as
market leaders: Bigfoot Interactive, Digital Impact, DoubleClick, E-Dialog, Exact Target, Silverpop, and Yesmail. In the middle market category JupiterResearch recognizes the following three vendors
as market leaders: Blue Sky Factory, Lyris, and Skylist. The complete findings of this report are immediately available to JupiterResearch clients online.
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