After creating mail list criteria and building the mail list, over time some of the patrons on the mail list may no longer meet the criteria to belong to the mail list. The most effective way to remove the patron that no longer meet the criteria is to rebuild the list.
Click Here to learn how to access this window.
The following warning screen will open.
This will remove the current patrons from the list and perform the query again on the new data. Clicking Proceed would have left all current patrons in the list, added patrons who fit the entered criteria and only remove patrons who fit within any "remove" criteria.