1. A method for bulk mail oriented transaction printing of variable documents, comprising. configuring a queue with variable data related to a rendering job, wherein said variable data comprises postal information in association with a plurality of variable data fields and a thickness adjustment with respect to each piece of mail associated with a bulk mail; automatically parsing a plurality of records associated with said rendering job into at least one postal bundle based on a postal regulation compliance and said variable data; and performing an end of job demarcation at a boundary of said at least one postal bundle in order to produce a demarcated postal bundle from said at least one postal bundle and thereafter generate a stack including said demarcated postal bundle, wherein said stack is capable of being automatically placed in a mail independently of other stacks in the context of an overall job, thereby simplifying mailroom workflow and providing for improved efficiencies in bulk mail oriented transactions.