Dovecot is the default for incoming electronic mail.

Dovecot is easy to configure.

POP: The Post Office Protocol.

IMAP: The Internet Messages Access Protocol.

If you have not installed dovecot, then install it with this command:

# yum install dovecot

The default protocols for dovecot are IMAP and IMAPS.

The configuration file is /etc/dovecot.conf.

To configure Dovecot to support pop3, imap, pop3s and imaps

1. # vi /etc/dovecot.conf

2. Remove the # comment from the following line:

   #protocols = imap imaps pop3 pop3s

3. # service dovecot start

4. # chkconfig dovecot on

If you want a secure POP3S or IMAP4S

Find and uncomment the following:

#ssl_disable = no
#ssl_cert_file = /etc/pki/dovecot/certs/dovecot.pem
#ssl_key_file = /etc/pki/dovecot/private/dovecot.pem

To create Dovecot certificates

• Modify this file

   # vi /etc/pki/dovecot/dovecot-openssl.cnf

• Delete this file

  # rm /etc/pki/dovecot/certs/dovecot.pem

• Delete This file

  # rm /etc/pki/dovecot/private/dovecot.pem

• Run

  # /usr/share/doc/dovecot-1.0/examples/mkcert.sh