| Subject | English | French |
| IT, tech. | Message Transfer Agent | Agent de transfer de message |
| commun., IT | message transfer agent | agent de transfert |
| commun., IT | message transfer agent | agent de transfert de messages |
| comp., MS | message transfer agent An application process, as described in the X.400 message-handling system, responsible for delivering e-mail messages. After receiving a message, an MTA stores it temporarily and either delivers it or forwards it to another MTA. During this process, the MTA can change the message headers | Agent de transfert des messages (MTA) |
| commun., IT | message transfer agent entity | entité d'agent de transfert de messages |