Postmarks and Postal Possession: Understanding the Mailing Date
Customers Can Always Request a Manual Postmark Free of Charge When Mailing By Steven MonteithChief Customer & Marketing OfficerUnited States Postal Service Postmarks are [...]
Memo 866
Hazardous, Restricted, and Perishable Mail – Updated Publication 52
Publication 52 provides important information to help mailers determine what may be mailedand how certain items must be packaged to keep the mail safe. It also provides [...]