A postal service bulk mailing provides a standard procedure to hasten mailing procedures. Most postal service bulk mailing encourages customers to send their bulk mails in the earliest time possible to take advantage of discounts.

Aside from that, it is also advised to send a sample of the entire mailing to the postal service bulk mailing so it can be reviewed whether it complies with the post office regulations for standard bulk mails.

A well accomplished bulk mailing postal control form is also required to be sent to the postal service bulk mailing. The number of bulk mails should not be lower than the set minimum of two hundred mails.

These mails are sorted by zip code and must be printed with permit imprint indicia in the upper right corner of the envelope. With regards to nonprofit mailings there are additional content and design requirements that have to accomplish or satisfied before it can be accepted for mailing.