What are the common SMTP port numbers used for email communication?

Common SMTP Port Numbers for Email Communication

SMTP, or Simple Mail Transfer Protocol, is a standard communication protocol used for sending and receiving email messages. When setting up email clients or servers, it is essential to know the common SMTP port numbers to ensure proper communication.

Common SMTP Port Numbers:

1. Port 25: This is the default port for SMTP communication.
2. Port 587: Also known as the submission port, commonly used for client email submissions.
3. Port 465: This port is typically used for SMTP over SSL/TLS.

Understanding these common SMTP port numbers is crucial for configuring email servers and clients effectively. By using the appropriate port, you can ensure seamless email communication.

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