IMAP Full Form and Port

What is IMAP? – IMAP Full Form, Port Number, and Uses

IMAP, or Internet Message Access Protocol, is a standard protocol for accessing email messages from a remote server. It has become one of the most popular methods of accessing email, as it allows users to access their email messages from multiple devices, such as a computer, tablet, or smartphone. In this article, we’ll explore what IMAP is, what its full form stands for, its definition, and its uses.

IMAP Full Form:

The full form of IMAP is Internet Message Access Protocol. It’s a standard protocol for retrieving email messages from a remote server and allows users to access their email from multiple devices. IMAP was designed as a replacement for the earlier POP (Post Office Protocol), which was designed for use with a single computer and only allowed users to download their email messages to a single device.

What is IMAP?

IMAP is a protocol used for retrieving email messages from a server. It allows users to access their email messages from multiple devices, such as a computer, tablet, or smartphone, by connecting to a remote email server and downloading the messages to the device. IMAP allows users to access their email messages in real-time, without having to download the messages to a single device. This means that users can read, write, and delete messages from multiple devices without having to download and upload the messages each time they access their email.

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What is IMAP

Use case of IMAP:

IMAP is used by millions of people around the world to access their email messages. It’s particularly popular for use with web-based email services, such as Gmail, Yahoo Mail, and, as it allows users to access their email messages from any device with an internet connection.

IMAP is also used by businesses and organizations to provide their employees with access to their email messages from any device. This allows employees to stay connected to their email, even when they are away from their desks or out of the office.

What is the IMAP port number?

The IMAP Port Number is 143 (Insecure Transport — No SSL function enabled), while IMAP over SSL/TLS  is assigned to port number 993. (Secure Transport   — SSL function enabled).

Benefits of using IMAP:

IMAP (Internet Message Access Protocol) offers users;

  • Ultimate email access flexibility:

Unlike POP3, which only allows for one device to access emails and deletes them from the server, IMAP supports multiple logins, so you can check your inbox from your office desktop, home laptop, or on the go with your smartphone. Imagine being able to sort through important messages while waiting at the airport, or responding to a client’s inquiry from the comfort of your couch.

  • Efficient access

IMAP is the perfect solution for individuals who are always on the move or those who need to access their emails from different devices and locations. With IMAP, your emails are accessible from multiple devices, always providing you with fast and efficient access. Plus, multiple users can share a single mailbox, and users can even organize their emails on the server by creating folders and subfolders.

  • Advanced email function

IMAP offers more than just convenient access, it also has advanced email functions such as search and sort, which can help you find exactly what you’re looking for in a matter of seconds. And with IMAP’s support for IDLE extensions, push email is displayed in your inbox as unread, eliminating the need for a polling interval or manual email retrieval.

In addition to its many benefits, IMAP also allows for offline use, giving you access to your emails even when an internet connection is unavailable.


IMAP is a powerful and flexible protocol that has revolutionized the way we access and manage our email messages. It allows us to access our email messages from multiple devices, in real time and provides us with the ability to manage our email messages from anywhere, at any time. Whether you’re a home user or a business owner, IMAP is an essential tool for managing your email and staying connected to the world.