JF,
Pi is usable to host an dovecot email server, but remember that SD Cards
are not hard drives and tend to fail more often unless you use industrial
grade ones ( do not ask how I know :) )
Or make backups on a regular basis.
For fecthing emails you should look at fetchmail, something like
http
hello,
i'm quite a newbie to the mail server instalation and admin (you must
start one day !)
i would like to use a rapberry pi to build a system to get the mails
from different mail accounts via pop, to store them in the raspberry
memory an be able to get them with my thunderbird client