MAILTOOL has been updated to v10.85 and has the following new options that will allow you to tell MAILTOOL if you want to issue a warning (which is the default and still is) or fail the command should you encounter an invalid recipient address or an invalid or empty distribution list.
The update includes the following new command parameter:
Bad Address Action (BADADDACT)
It also includes a new settable variable:
The possible values for these are:
Again, this additional feature was per a request by a customer.
If there are any questions, please feel free to contact us.