Email Engine and Sender Score

When you start using the ONEcount Email Engine, you will get a pair of "clean" ip addresses for sending mail. This means that they have no sender score.

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If you used a third-party ESP previously, your mail was sent from a pool of 12 to 48 IP addresses that are used to send a **lot** of bulk mail from a **lot** of companies, and so you have a shared sender score. This could be good or bad.

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When you start sending from ONEcount, you will be the first, and those IP addresses will be clean.

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In order to get the best possible delivery, following are a few points:

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1) Try to keep the FROM and the "Sender" of your messages the same on ONEcount as they were on your previous system

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2) Make sure that you have valid SPF records configured before sending your first mail

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3) Your open rates will dip for about two weeks after you start sending messages through the new IP addresses.

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4) To maximize your score, send your most-opened e-mails out through ONEcount for at least two weeks.

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* Some publishers worry about the dip, so they send sponsored e-mails through ONEcount for the first two weeks. If these don't have high open rates, you wind up with a bad sender score.

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* Instead, send your messages with the highest open rates. This tells ReturnPath and the major ISPs that messages coming from these IP addresses are valuable and it will get you a higher score.