(The message must be deleted from both the local machine and the email server.)

A message is downloaded to Thunderbird and deleted in Thunderbird.

To understand message synchronization, consider the following scenarios: In order to provide this kind of flexibility and functionality, though, messages must be synchronized between the local machine and the email server. Full-text search of a message body is only possible on messages that have been downloaded. Search performance is much faster than searching a set of messages on a remote server.

Messages load faster when they are stored on a local drive.

Thunderbird users can download their messages to their local system and access them even when they are not connected to the internet.

For example, a Thunderbird user with a Microsoft Live account can use both the Thunderbird application that is installed on their system and the web-based interface provided by Microsoft.

Multiple clients can be used to access messages.

Therefore, messages can be stored both on the local machine and on the server, enabling numerous benefits: The IMAP protocol supports both online and offline activity.

To see whether your account uses IMAP or POP, check the Server Settings page in the Account Settings: It is more modern and fully featured than POP (Post Office Protocol), which is the other major protocol for accessing mail messages.

It enables a mail client (such as Thunderbird) to access messages stored on a mail server. IMAP stands for the Internet Message Access Protocol. 6 Configuring synchronization and disk space usage.

Iphone imap server