Thunderbird Email is installed by the default in Linux Mint
This is a Quick guide and help how to set up multiple email addresses in Thunderbird
Thunderbird Download the latest version from here
There is, Thunderbird Windows, Thunderbird Linux and Thunderbird Mac OS X versions
Mail Account Setup Wizard, Prior to this new feature you had to know your IMAP, SMTP, SSL/TLS settings. Now all you need to give is your name, email address, password and the new email account. Thunderbird sync and set up wizard will check our database and find the email settings for you.
Thunderbird import all your emails. Do this for all your e-mails