How to configure Dovecot server in Red Hat Linux

Dovecot is an IMAP and POP3 server

Prerequisites before starting with the configuration

Make sure the required package are installed
# rpm -qa | grep dovecot
If the package is not installed by default then use yum for the same

# yum -y install dovecot
Make the following changes as shown below

# vi /etc/dovecot/dovecot.conf
protocols = imap imaps pop3 pop3s
    protocol imap {
 listen = *:143

# ssl_listen = *:10943
# ..
  }
  protocol pop3 {
  listen = *:110

# ..
  }
# protocol managesieve {
# listen = *:12000
# ..
# line 211: uncomment and add
mail_location =maildir:~/Maildir
 mechanisms = plain login
 socket listen {  

 # master {
# Master socket provides access to userdb information. It’s typically
# used to give Dovecot’s local delivery agent access to userdb so it
# can find mailbox locations.
#path = /var/run/dovecot/auth-master
#mode = 0600
# Default user/group is the one who started dovecot-auth (root)
#user =
#group =
#}
 client {      
# The client socket is generally safe to export to everyone.  Typical use
# is to export it to your SMTP server so it can do SMTP AUTH lookups
# using it.
path = /var/spool/postfix/private/auth-client
mode = 0660
user = postfix
group = postfix

}  
}      

# service dovecot restart

If you get any error messages then look for the log file located inside

# cat /var/log/messages
# cat /var/log/maillog

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