Since email field validation and dynamic content blocks aren't built-in features in the Adobe Journey Optimizer (AJO) landing page builder, what would be the best practice to implement these? Are there any workarounds, such as custom scripts or integrations, to ensure data accuracy and personalized ...

I have sent test emails to four profiles, but only one test profile is receiving the test email in Adobe Journey Optimizer. All four profiles are test profiles. I am doing this from the Sandbox. Some (but not all) received the test emails after several hours.

How to fix this error in Adobe Journey Optimizer

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Does Adobe Journey Optimizer support javascript in email template creation

I have uploaded the test profiles using csv. but AJO is not showing. It is only reflecting the old records.