Exam N10-009 Topic 6 Question 105 Discussion

Actual exam question for CompTIA's N10-009 exam
Question #: 105
Topic #: 6
Which of the following ports is used for secure email?

Suggested Answer: D Vote an answer

Port 587 is used for secure email submission. This port is designated for message submission by mail clients to mail servers using the SMTP protocol, typically with STARTTLS for encryption.
Port 25: Traditionally used for SMTP relay, but not secure and often blocked by ISPs for outgoing mail due to spam concerns.
Port 110: Used for POP3 (Post Office Protocol version 3), not typically secured.
Port 143: Used for IMAP (Internet Message Access Protocol), which can be secured with STARTTLS or SSL/TLS.
Port 587: Specifically used for authenticated email submission (SMTP) with encryption, ensuring secure transmission of email from clients to servers.

by Elliot at Apr 28, 2025, 11:12 PM

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