Which of the following best describes how port 25 is utilized in network communication?
Secure transmission of email with encryption
Transmission of email between servers or from clients to servers
Handling HTTP requests for web pages
Routing information protocol operations
Port 25 is most traditionally associated with SMTP (Simple Mail Transfer Protocol), which is used primarily for sending emails from an email client to an email server and for relaying emails between email servers. It is not typically used for secure, encrypted communication, which involves protocols like SMTPS or STARTTLS on ports such as 465 or 587. Nor is it used for web traffic or routing information, which would involve protocols like HTTP (port 80) or RIP (port 520), respectively.
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