Moderator David Baker, VP Email Solutions, Avenue A/Razorfish, provided attendees with this handy industry breakdown:
* 56% use an in-house system
* 33% use an ESP
* 39% use an advanced ESP
* 15%Â use a hosted service and outsource full service
* 15% use a third-party deliverability service
* Â 46% are using in-house and also using outsourcing services
* 36% of marketers using in-house systems are considering shifting to an outside option
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