In this tutorial all the steps necessary to configure Dovecot, the open source mail server, to receive emails on Linux both through IMAP and POP3 protocol are explained.
Dovecot Mail Server Ubuntu
Pursuant to EU Directive 2013/11 and Regulation EU 524/2013, if you are a consumer residing in Europe, you can use the ODR platform, available at following link, to submit a request to resolve disputes relating to contractual obligations out of court.