What is a Mail User Agent (MUA) ? Tldr; a mail Client
Table of Contents
About
A Mail User Agent (MUA) is the technical term from a email client application.
User agent in Mail User Agent (MUA) means that it's a user application (known as user agent on the web)
A MUA can:
- read and write in the mailbox
List
Gui
- outlook
- Gmx
- Thunderbird (windows, mac, linux)
Command line
- sendmail - the reference command that you should find on all linux distribution.
echo -e "Subject:Hello World \n\n This is my first mail \n" | sendmail [email protected]
- mutt
- elm
Library
Management
Which client has created the mail
In the header field of an email, search for the value User-Agent
Example:
User-Agent: Heirloom mailx 12.5 7/5/10
