1. What is Exim?
a. An email client
b. A mail server
c. A web browser
d. A text editor
Answer: b
2. Which configuration file is used to configure Exim?
a. exim.conf
b. exim.cfg
c. exim.yaml
d. exim.xml
Answer: a
3. What is the primary function of Exim?
a. Web hosting
b. Sending and receiving email
c. File sharing
d. Database management
Answer: b
4. Which port is commonly used for SMTP, the protocol Exim uses for sending mail?
a. 22
b. 25
c. 80
d. 110
Answer: b
5. What is a local mail delivery agent in Exim?
a. A program that forwards emails to remote servers
b. A program that delivers email to local user mailboxes
c. A program that encrypts emails
d. A program that filters spam emails
Answer: b
6. Which command is used to test Exim's configuration?
a. exim-status
b. exim-test
c. exim -C
d. exim-check
Answer: c
7. Which command is used to display the Exim mail queue?
a. exim-queue
b. exim-list
c. exim -bp
d. exim-info
Answer: c
8. What is the purpose of the Exim router?
a. To encrypt emails
b. To determine how to process incoming and outgoing email
c. To store emails in a mailbox
d. To filter spam
Answer: b
9. Which Exim configuration directive specifies the email domains that Exim is willing to relay for?
a. relay_domains
b. accepted_domains
c. relay_from
d. local_domains
Answer: a
10. How can you configure Exim to use TLS for encrypted email transmission?
a. Set the "tls_enabled" option to "false"
b. Use the "exim-tls" command
c. Configure the "tls_advertise_hosts" option
d. Exim does not support TLS
Answer: c
11. What is the role of the Exim transport in the email delivery process?
a. To receive emails from remote servers
b. To determine which router to use
c. To route email to its final destination
d. To filter spam emails
Answer: c
12. Which Exim directive specifies the maximum message size Exim will accept?
a. max_message_size
b. message_limit
c. max_size
d. size_limit
Answer: a
13. What is the Exim ACL (Access Control List) used for?
a. Managing user authentication
b. Controlling email access by IP address
c. Encrypting email attachments
d. Defining message templates
Answer: b
14. How can you force Exim to retry sending failed messages in the queue?
a. By running the "exim-retry" command
b. By restarting the Exim service
c. By modifying the retry configuration
d. By deleting the message from the queue and resending it
Answer: c
15. Which Exim log file contains information about incoming and outgoing email transactions?
a. exim.debug
b. exim.error
c. exim.mainlog
d. exim.accesslog
Answer: c
16. What does the "RBL" in Exim configuration stand for?
a. Reliable Blacklist
b. Real-time Blocklist
c. Reverse Binary Language
d. Resource-Based Listing
Answer: b
17. Which Exim option can be used to rate-limit outgoing emails from a specific sender?
a. rate_limit
b. send_limit
c. outbound_limit
d. sender_throttle
Answer: d
18. What is Exim's response when it encounters a message that exceeds the maximum message size?
a. It drops the message without notifying the sender
b. It splits the message into smaller parts
c. It bounces the message back to the sender with an error
d. It stores the message in the retry queue
Answer: c
19. Which command is used to manually deliver a message from the Exim queue?
a. exim-send
b. exim-deliver
c. exim -M
d. exim-dispatch
Answer: c
20. What does SPF (Sender Policy Framework) check for in Exim?
a. The sender's IP address
b. The sender's domain
c. The message content
d. The recipient's domain
Answer: a
21. Which Exim configuration directive is used to configure message routing based on the sender's domain?
a. sender_route
b. domain_route
c. route_by_sender
d. sender_redirect
Answer: b
22. How can you configure Exim to use a smarthost for relaying all outgoing email?
a. Set the "relay_smarthost" option to the smarthost's address
b. Use the "exim-smartrelay" command
c. Configure the "smarthost" router
d. Exim cannot relay through a smarthost
Answer: a
23. Which Exim configuration file includes authentication settings for outgoing SMTP relays?
a. exim.conf
b. exim-auth.conf
c. exim-smtp.conf
d. exim-tls.conf
Answer: b
24. What is a "drop" router in Exim used for?
a. To route incoming email to local mailboxes
b. To delete incoming email without processing
c. To encrypt outgoing email
d. To filter spam messages
Answer: b
25. Which Exim directive allows you to specify a custom error message for bounced emails?
a. error_message
b. bounce_message
c. custom_error
d. rejection_text
Answer: a
26. What is the purpose of the "aliases" router in Exim?
a. To forward email to a different domain
b. To configure email aliases for local users
c. To block incoming spam
d. To route emails based on the sender's IP address
Answer: b
27. Which Exim ACL control can be used to reject or accept email based on the sender's IP address?
a. acl_accept_sender
b. acl_check_sender
c. acl_verify_sender
d. acl_reject_sender
Answer: b
28. Which Exim option is used to set the maximum number of recipients per message?
a. max_recipients
b. recipient_limit
c. max_to
d. to_limit
Answer: a
29. What is the purpose of the "unqualified_recipient" router in Exim?
a. To route email to unqualified recipients
b. To verify the recipient's identity
c. To block incoming spam
d. To rewrite recipient addresses
Answer: d
30. How can you configure Exim to automatically retry sending messages that encounter temporary delivery failures?
a. Use the "retry_interval" directive
b. Modify the "delayed_delivery" router
c. Set the "retry_rules" option to "true"
d. Exim retries messages automatically by default
Answer: a
31. Which Exim configuration directive is used to specify the maximum number of delivery retries?
a. max_delivery_retries
b. retry_count
c. delivery_attempts
d. retry_max
Answer: a
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