Why do you need this? You already have the admitedly confusingly named <mm-email-user> tag which is replaced by the list's _internal_name which is the lower case of the list's real_name. The name is confusing, but it refers to the user portion(local part) of the list's email posting address which is the origin of the name.
Why do you need this? You already have the admitedly confusingly named <mm-email-user> tag which is replaced by the list's _internal_name which is the lower case of the list's real_name. The name is confusing, but it refers to the user portion(local part) of the list's email posting address which is the origin of the name.