| Subject | English | German |
| commun. | message transfer agent | Mitteilungsaustausch-Systemteil (MHS SW, ITU-T (CCITT) Rec. X.400) |
| IT | Message Transfer Agent | Transfer-Systemteil |
| commun., IT | message transfer agent | Nachrichtenvermittler |
| commun., IT | message transfer agent | Transfersystemteil |
| commun., IT | message transfer agent | Transfer-Systemteil |
| commun., IT | message transfer agent | Transfer Vermittler |
| commun., IT | message transfer agent | Mitteilungs-Transfer-Systemteil |
| comp., MS | message transfer agent | 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) |
| commun. | message transfer agent | elektronisches Postamt (ITU-T (CCITT) X.400) |
| commun., IT | message transfer agent entity | Instanz für Mitteilungs-Transfer-Systemteil |