---
title: "What is the difference between a user agent (UA) and a mail transfer agent (MTA)?"  
description: "What is the difference between a user agent (UA) and a mail transfer agent (MTA)?"  
author: "Hemant Patel"  
published: 2017-09-11  
updated: 2017-09-11  
canonical: https://www.mindstick.com/forum/34338/what-is-the-difference-between-a-user-agent-ua-and-a-mail-transfer-agent-mta  
category: "internet"  
tags: ["internet"]  
reading_time: 1 minute  

---

# What is the difference between a user agent (UA) and a mail transfer agent (MTA)?

Please quick answer

## Replies

### Reply by Sushant Mishra

The UA prepares the message, creates the envelope, and puts the message within the envelope. The MTA transfers the mail across the net.


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Original Source: https://www.mindstick.com/forum/34338/what-is-the-difference-between-a-user-agent-ua-and-a-mail-transfer-agent-mta

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