A network administrator is setting up a secure email transmission service that encrypts SMTP traffic. Which port should the administrator configure the email server to listen to in order to secure email messages?
Port 587 is used for secure email communication over SMTP, commonly known as SMTPS. This port allows email to be sent securely via an encrypted connection, which is crucial for protecting sensitive information during transmission. Port 25 is the default for unencrypted SMTP, and while port 443 is commonly used for HTTPS, it is not used for securing SMTP. Port 993 is for IMAPS, which is used for receiving emails securely, not sending.
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What is SMTP and why is it important for email communication?
What does SMTPS mean, and how does it differ from regular SMTP?
What role do ports play in network communications, specifically for email protocols?