Dovecot 是一个 IMAP 和 POP3 服务器

确保安装了所需的包

# rpm -qa | grep dovecot 

如果默认情况下未安装该软件包，则使用 yum 安装

# yum -y install dovecot

进行以下更改

# 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
 # ..
 #  211 行: 取消注释并且添加
 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 
 }   
 }

重启服务

# service dovecot restart

如果我们收到任何错误消息，请查找位于其中的日志文件