LFCS · Question #245
All of the following are Mail Transport Agents EXCEPT:
The correct answer is E. mail. Exim, Postfix, Sendmail, and Qmail are all examples of Mail Transport Agents (MTAs), while 'mail' typically refers to a Mail User Agent (MUA) or the generic concept of email.
Question
Options
- Aexim
- Bpostfix
- Csendmail
- Dqmail
How the community answered
(45 responses)- A7% (3)
- C4% (2)
- D2% (1)
- E87% (39)
Why each option
Exim, Postfix, Sendmail, and Qmail are all examples of Mail Transport Agents (MTAs), while 'mail' typically refers to a Mail User Agent (MUA) or the generic concept of email.
Exim is a widely used open-source Mail Transfer Agent (MTA) for Unix-like systems.
Postfix is a popular free and open-source Mail Transfer Agent (MTA) that routes and delivers electronic mail.
Sendmail is one of the oldest and most well-known Mail Transfer Agents (MTA), responsible for sending and receiving emails.
Qmail is a secure, reliable, and high-performance Mail Transfer Agent (MTA) developed by Daniel J. Bernstein.
`mail` (or `mailx` or `mailutil`) is typically a command-line Mail User Agent (MUA) used by users to read and send emails, acting as an interface to an MTA. It is not an MTA itself, which is responsible for transferring mail between servers.
Concept tested: Mail Transport Agents (MTAs) identification
Source: https://www.redhat.com/sysadmin/introduction-mtas-muas-mdas
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