Impact of iOS 15 Update On Open Tracking
Nov. 18, 2021 Update: SparkPost recently added a field to both Signals Webhooks and the Events API to indicate when an open has been pre-fetched. These opens will still be included since they can be a valuable signal that an email address is valid. For more information on this update, please refer to this blog … Continue reading Impact of iOS 15 Update On Open Tracking
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