SchoolPost: Recipient Selection
SchoolPost now relies on the iSAMS "mail merge" function for managing recipients, replacing the old "priorities" option.
To ensure your school messages are sent to all relevant users, you must select both 'All merges' AND 'Correspondence.' This is crucial because it ensures all individuals set to receive school-related publications—such as nannies and other specific contacts—will be included in your mailing list.
Please make sure you tick both boxes as shown below:

For full details on all recipient options, including information on managing recipient lists for leavers and a comparison of the old vs. new systems, please refer to the complete article:
SchoolPost Recipient Options After iSAMS Migration