An ISP wants to host email for multiple small businesses on a single Postfix server. Each business has its own domain and users, and users should not have system accounts on the server. Which approach should the administrator use?

Create a system user for each email user and use the default local delivery.

Configure virtual_mailbox_domains and virtual_mailbox_maps to map virtual users to mailboxes.

Set up a separate Postfix instance for each domain.

Use a single system user for all mailboxes and store mail in separate directories.

A hosting provider wants to host multiple domains on a single Postfix server. They have configured virtual_mailbox_domains and virtual_mailbox_maps. What additional configuration is needed to ensure that mail for these virtual domains is accepted by Postfix?

Add the virtual domains to mydestination.

Configure relay_domains to include the virtual domains.

Create a system user for each virtual domain.

Set virtual_mailbox_domains to the list of domains and ensure they are not in mydestination.

An administrator wants to ensure that SMTP authentication credentials are not sent in clear text over the network. Which Postfix setting should be configured to require TLS before authentication is allowed?

smtpd_sasl_security_options = noanonymous

smtpd_tls_security_level = encrypt

LPI LPIC-2:Linux Engineer (201-450)

Domain 12Objective 1

211.1 Using E-Mail Servers (weight: 4) LPIC-2 Practice Questions (Page 3)

Part of the Topic 211: E-Mail Services domain, which makes up ~5% of our current practice bank. Linux Professional Institute does not publish an official question count, but from its 90-minute exam (~35–60 total, ~2–3 in this domain), expect 1–2 from this objective — we provide 19 practice questions to prepare you well beyond it. (estimate)

19questions here

4free pages

8concepts

Questions 11–15

11application · medium
An administrator notices that mail sent to local users is being delivered to the wrong location. The mail server uses Postfix and the local delivery agent is configured to use the mailbox format. Which file should the administrator check to verify the mailbox location for a user?
Select an answer first
12application · medium
An ISP wants to host email for multiple small businesses on a single Postfix server. Each business has its own domain and users, and users should not have system accounts on the server. Which approach should the administrator use?
Select an answer first
13application · medium
A hosting provider wants to host multiple domains on a single Postfix server. They have configured virtual_mailbox_domains and virtual_mailbox_maps. What additional configuration is needed to ensure that mail for these virtual domains is accepted by Postfix?
Select an answer first
14application · medium
An administrator is troubleshooting why email sent to a remote domain is not being delivered. The mail logs show the message is queued but not being sent. Which command should the administrator use to see the reason the message is stuck in the queue?
Select an answer first
15application · medium
An administrator wants to ensure that SMTP authentication credentials are not sent in clear text over the network. Which Postfix setting should be configured to require TLS before authentication is allowed?
Select an answer first

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211.1 Using E-Mail Servers (weight: 4) LPIC-2 Practice Questions (Page 3)

Questions 11–15

An administrator notices that mail sent to local users is being delivered to the wrong location. The mail server uses Postfix and the local delivery agent is configured to use the mailbox format. Which file should the administrator check to verify the mailbox location for a user?

An ISP wants to host email for multiple small businesses on a single Postfix server. Each business has its own domain and users, and users should not have system accounts on the server. Which approach should the administrator use?

A hosting provider wants to host multiple domains on a single Postfix server. They have configured virtual_mailbox_domains and virtual_mailbox_maps. What additional configuration is needed to ensure that mail for these virtual domains is accepted by Postfix?

An administrator is troubleshooting why email sent to a remote domain is not being delivered. The mail logs show the message is queued but not being sent. Which command should the administrator use to see the reason the message is stuck in the queue?

An administrator wants to ensure that SMTP authentication credentials are not sent in clear text over the network. Which Postfix setting should be configured to require TLS before authentication is allowed?

Keep studying — Topic 211: E-Mail Services