Hi yes it's possible there is component that allows you to retreive emails and write the content into files. it's the tPop component, it's configuration should look like this :

The port is usually 110 or 995 (if it works over SSL/TLS)

And in the advanced setting you can filter the mail you want to retreive for example :

This configuration would allow you to retreive mails with the subject "PASSWORD_FTP" from the sender "[email protected]"