What is a mail inserter?

Mail inserters are machines or professionals responsible for automatically or manually placing documents, letters, or promotional materials into envelopes for mailing. In a workplace, a mail inserter typically operates specialized equipment that folds, stuffs, and seals mail pieces efficiently. This role is essential in industries that handle large volumes of outgoing mail, such as direct mail companies, banks, and utilities. Mail inserters ensure that batches of mail are assembled accurately and prepared for timely distribution.