### Mail Retrieval using POP3/IMAP ###

 1. Mail retrieval using standard protocols
 2. Common package: dovecot
 3. Supports both: mbox (/var/spool/mail/usernam) & Maildir formats
 4. Supports SSL: POP3S & IMAPS

Tasks:
 1. Install dovecot
/etc/dovecot.conf - primary config file
/etc/pki/dovecot/dovecot-openssl.cnf - SSL config

Note: Default configuration binds to:
 a. POP3 - downloads messages to client
 b. POP3S
 c. IMAP - leaves messages on server
 d. IMAPS

E-mail flow: mutt -> sendmail -> Postfix queue -> remote system -> POP3|IMAP

 2. Configure mail client to download messages using POP3