Courier IMAP Daemons
Courier IMAP Services
Section titled “Courier IMAP Services”You can manage these as part of init.d daemons
courier-authdaemon
Section titled “courier-authdaemon”This is for user authentication, and is used by the pop3 and imap daemons.
courier-imap
Section titled “courier-imap”Not secure, but might be easier for some users to setup. Also if their account is limited to reading mail only, it shouldn’t affect the whole system if their account is compromised.
courier-imap-ssl
Section titled “courier-imap-ssl”As above but over ssl.
courier-pop
Section titled “courier-pop”Not secure, but might be easier for some users to setup.
courier-pop-ssl
Section titled “courier-pop-ssl”Secure