Simple definition
With IMAP, messages remain on the server and actions are synchronized between the computer, phone and webmail.
Technical definition
Internet Message Access Protocol allows you to view the Files, read indicators and messages without permanently downloading the entire box. It commonly uses port 993 with TLS.
What is it used for ?
Use the same mailbox on multiple devices while maintaining a consistent state.
Practical example
An email deleted on the smartphone also disappears from the mail software on the computer.
Common issues
- Full server box
- Slow synchronization with a large box
- Poor port or encryption
- Misassociated special files
Related terms
Key takeaway: This entry explains the general operation of the term. Exact settings may vary depending on software, vendors and environments.