Dovecot
Dovecot is a POP3 and IMAP server free and open-source that can act as a mail storage server. It is used to deliver and retrieve emails to and from local mailboxes.
Crear usuario virtual
sudo vi /etc/postfix/virtual
@ophelia.ga root
sudo postmap /etc/postfix/virtual
sudo postfix reload
Añadir en Postfix
virtual_alias_maps = hash:/etc/postfix/virtual
virtual_alias_domains = hash:/etc/postfix/virtual_domains
Instalar Dovecot
sudo apt install dovecot-imapd