Create Or Remove Rule Set. Select the rule named Set UserID Password and select Actions. Custom data validation rules.
In the Source box type the name you gave to your range preceded by an equal sign for example Ingredients. Outlook automatically suggests creating a rule based on the sender and the recipients. To create a rule from a template click Add and select a template.
Make sure the In-cell dropdown box is checked.
To create a rule from a template click Add and select a template. Make sure the In-cell dropdown box is checked. To utilize the SET NULL rule for updatedelete operations the foreign key column should allow NULL values otherwise the SET NULL specification would fail by generating an error message. So if I run these without identifying the user that will actually create or remove or set or retrieve the messages in my personal inbox.
