Mailing Definitions can be used to configure mailings which can then be selected as part of the Mailing Wizard Tool in IDPMS. See also Mailing wizard . This section only defines the Mailing Selections. The actual letters need to be created in IDPMS Editor.
To access Mailing Definitions, go to Settings->Advanced->Mailing Definition
To add a New Mailing Definition select the add/new icon 
Definition- Enter a name for the Mailing (max. of 8 alphanumeric)
Description- Enter a description for the Mailing.
Save by selecting the green checkmark.
Mailing Wizard:
Mailing Definitions are selectable as Step 1 in the Mailing Wizard.
Select the mailing definition from the picklist. Note: Only Mailing Definitions saved in the database table with the Relation property code will appear.
By selecting the ... a list of Mail Definitions previously created will appear and can be managed/edited from here.
Other Buttons/Icons
To Copy select 
To Delete select 
To Save select 
To Close Window select 
To Seek/Search select 
To Cancel select 