When using Iterable, your emails will be sent through one of our email service partners. These partners provide the Internet Protocol (IP) Addresses that will be identified with the emails you send. IP reputation impacts your deliverability, so Iterable only partners with the highest quality email services and their IPs.
Shared IPs
By default, your emails will be sent through Amazon SES with shared IPs. Shared IPs will have other senders that will use the same IP address. Iterable's agreement with Amazon SES involves use of a group of IP addresses that are shared with other high-quality senders and are randomly chosen from the group of IPs during each email send.
Each time you send an email, one of the shared IP addresses from the group will be used with that send. Thus, if you're with us and Amazon SES, the IP address with different campaigns is random and cannot be determined until after the campaign is sent.
However, all shared IPs with Amazon SES that Iterable uses are only with other high-reputation senders. Thus, the random IP selection will still ensure an optimal IP deliverability reputation. Typically, the IP's used for sends will have a sender score of 96 or higher.
Dedicated IPs
If you are sending at least 10 million messages per month, it may be worth considering upgrading to a dedicated IP. To use this option, you can choose from a few providers that Iterable works with: Dyn, Sendgrid, Sparkpost, or Sparkpost Elite.
The primary benefit of having a dedicated IP is that you have full control of your reputation. You also have more visibility into troubleshooting any potential deliverability issues since you always use the same IP and don't share the IP.
Moving to a dedicated IP involves a warm-up period of about six weeks (to learn more, read IP Warm-up Guide). Please contact your account manager if you're interested in learning more about dedicated IPs.
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