LPIC-2 DNS, Web and Mail Services Practice Question
Which of the following is a mail delivery agent (MDA)?
⚠ Common exam trap
Candidates often confuse MTAs (Postfix, Sendmail) and mail retrieval servers (Dovecot) with the specific role of an MDA, which is solely responsible for local delivery and filtering.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Procmail
Procmail is a classic mail delivery agent (MDA) that receives messages from a mail transfer agent (MTA) and delivers them to a user's local mailbox, often applying filtering rules based on recipes. It operates after the MTA has accepted the message, making it the correct choice for an MDA.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Postfix
Why it's wrong here
Postfix is an MTA, not an MDA.
- ✗
Dovecot
Why it's wrong here
Dovecot is an IMAP/POP3 server, not an MDA.
- ✗
Sendmail
Why it's wrong here
Sendmail is an MTA.
- ✓
Procmail
Why this is correct
Procmail is a well-known MDA that filters and delivers email.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This LPIC-2 practice question is part of Courseiva's free LPI certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the LPIC-2 exam.