How to download only the header of the messages on the IMAP accounts

One of the advantages of using the IMAP protocol is being able to set the email client in order that only the headers of the messages can be downloaded. That way you can see the sender and the subject of the messages before downloading the whole content: that way the use of the account becomes quick, above all if you have to manage a lot of messages.

Once set the IMAP account, you may find the option to download only the headers of the messages on the account settings. 

Example: