What is an Mail Transfer Agent (MTA) ? (Email Smtp Server)
Table of Contents
About
mail transfer agent or MTA 1) is a Simple Mail Transfer Protocol (SMTP) server.
MTA is also known as message transfer agent.
An MTA may transport the E-Mail messages:
| Transport Type | Description |
|---|---|
| remotely | to another server MTA |
| locally | to the Local Delivery Agent (MDA/LDA (that write them into the mailbox) |
List
Server
The well-known MTA that you would install on your server are:
- Exim (developed at the University of Cambridge)
Client
Client MUAs (such as mutt, thunderbird, sylpheed, evolution, kmail) hand off newly sent messages to an MTA. 2)
