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SMTP (Simple Mail Transfer Protocol) is a crucial component of the email delivery process. SMTP server is responsible for sending and receiving emails. In this article, we will discuss what SMTP server is, how it works, and its importance in email delivery.
What is SMTP server?
SMTP server is a software application that sends and receives emails using the SMTP protocol. It acts as a relay between the sender and the recipient’s email server. When you send an email, your email client contacts the SMTP server, which then sends the email to the recipient’s email server.
How does SMTP server work?
SMTP server uses a set of rules to communicate with other email servers. When an email is sent, the email client connects to the SMTP server, and the server performs several checks. It verifies the email address, checks for spam, and then sends the email to the recipient’s email server. The recipient’s email server then performs a similar set of checks before delivering the email to the recipient.
Importance of SMTP server in email delivery
SMTP server plays a crucial role in email delivery. It ensures that emails are delivered to the correct recipients and are not marked as spam. SMTP server also checks for errors and ensures that emails are not lost during transmission. Without SMTP server, email delivery would be unreliable and prone to errors.
Setting up an SMTP server
To set up an SMTP server, you need to install SMTP server software on your server. There are several SMTP server software available, including Postfix, Sendmail, and Exim. Once the software is installed, you need to configure the SMTP server settings, including the server name, port number, and security settings.
Conclusion
SMTP server is a critical component of the email delivery process. It acts as a relay between the sender and recipient’s email servers and ensures that emails are delivered reliably and securely. Setting up an SMTP server is a straightforward process, but it requires proper configuration to ensure proper email delivery.
