MailChimp

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Mailchimp may not be as well known as some of the other players in the e-mail marketing service industry, but their solution is top-notch. Plus, many users will find their "forever free" plan to suit them fine, at a price you can't argue with. (Read more)

AWeber

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AWeber is well-known to industry users, but not so much to the corporate crowd. However, if you're looking for powerful autoresponders, Aweber is the choice for you. (Read more)

Mailigen

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Mailigen provides tools to create and monitor your email campaigns and online surveys. The offering of professional templates is sufficient and they can be customized. Up to 10MB of images can be hosted in your account. Mailigen is a terrific service to help you create and maintain your email marketing campaigns. (Read more)

Constant Contact

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Constant Contact is a familiar name when it comes to e-mail marketing services. They truly stand behind their product, offering a 60-day free trial and a strong support network. However, as you look to use additional features, be ready to pay extra. (Read more)

VerticalResponse

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VerticalResponse is an ideal solution for most non-profits (allowing up to 10,000 emails sent per month at no cost), and every user who send infrequently (with their pay-as-you-go option). (Read more)

iContact

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iContact seems to be the leader in e-mail marketing software, with innovative features such as mobile apps, list segmentation, a beautiful e-mail editor that will walk you through creating eye-catching HTML e-mails. (Read more)