 |
| Subject | English | Thesaurus |
| abbr., post | Auto Dispatch System for Registered Mail | ASDRM |
| abbr., astronaut. | Electronic Mail Services | EMS |
| abbr., astronaut., mil. | Mail Application Program Interface | MAPI (Internet) |
| abbr., post | Mail Preparation Total Quality Management program | MPTQM |
| abbr., post | Mail Quality Analysis started Jan. 2000 program | MQA |
| abbr., post | Mail Services Provider | MSP (Postal Customer Council website, 2006) |
| comp., abbr. | Managed Mail Program | MMP |
| comp., MS | Multipurpose Internet Mail Extension Hypertext Markup Language | Microsoft Exchange Unified Messaging Service (A standard method for sending an HTML document encapsulated with inline graphics, applets, linked documents, and other items referred to in the HTML document) |