You may have noticed that recently allocated dedicated IP addresses in your SparkPost account come from specific address ranges. Unless you are using our Bring your Own IP feature, your dedicated IPs come from a range registered to SparkPost. [crayon-5e25a31082274726446338/] SparkPost automatically provides Full-circle reverse DNS, otherwise known as “Forward-confirmed reverse DNS”, for these dedicated…

This article describes the weekly deliverability report card email that SparkPost sends to it’s users. Read more about the deliverability report card here.

If you experience delays or other deliverability issues to your domains hosted by Google Apps you need to whitelist your SparkPost sending IPs. Here's how.

Without large blocks of IP space by our provider, ip4 mechanism cannot be used in our SPF records; this approach necessitates extra DNS queries.

To optimize deliverability and inbox placement rates, you must establish yourself as a legitimate sender & develop a good reputation with mailbox providers.

Managing dedicated IP pools includes assigning which IP pools will be used for activities, such as marketing, deleting, and moving pools. Here's how.

IP warm-up is the process of adding campaign volume week-over-week to a new IP address to establish a positive sending reputation with ISPs - here's how.

SparkPost maintains a global suppression list applied across all mail streams. It contains commonly misspelled domains and role addresses - learn more.

The Gmail "We've found that lots of messages from sparkpostmail.com are spam" error message is referencing your domain reputation. Learn more here.