When the app is opened from scratch after the killed state, all the functions, including Insider, are triggered. In this case, the Insider SDK is being overridden by other functions and it takes time for the app to be opened. This process and case are called race conditions. To avoid this delay, a minimum of 3 seconds should be set so that there is no override, Insider SDK would be loaded properly and the campaigns would become visible.

Sometimes due to the large queue on the UCD, there might be delays in user entries. Journeys should be set to active with a minimum duration of 1.5 hours to allow users to enter.

Domain warm-up is essential to establish a positive sender reputation with email providers. It involves gradually increasing your email sending volume over time, reducing the risk of being marked as spam and improving overall deliverability. Skipping this process can negatively impact your email marketing success. Domain warm-up is essential to establish a positive sender reputation with email providers. It involves gradually increasing your email sending volume over time, reducing the risk of being marked as spam and improving overall deliverability. Skipping this process can negatively impact your email marketing success.