As the popularity of permissio based email marketing grows, so does the volume of email in every consumer inbox.

随着许可邮件营销广受欢迎，每个消费者收件箱的邮件数量也大为增加。

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Email may have taken a backseat role to social media hype, but it's still a very powerful tool when used correctly. It is the cornerstone of permission-based relationship marketing.

虽然电子邮件对于社会媒体宣传来说可能处于次要作用，但如果正确使用的话，它仍然是一个非常强大的工具。

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But these web based email marketing services come with their own drawbacks.

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To provide exactly this solution, Seattle-based Optify is today announcing the expansion of its inbound marketing suite with Closed Loop Email Marketing Software.

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Costs per redemption compare favorably to those from email, newspaper, paid search, and display media based on data from the Direct Marketing Association.

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