CenterOS 安装 sendmail

查看安装


rpm -qa | grep sendmail
rpm -qa | grep dovecot
rpm -qa | grep cyrus


安装邮件服务器


yum install sendmail sendmail-cf




安装pop3/imap服务


yum install dovecot
安装用户认证


yum install cyrus-sasl
yum install cyrus-sasl-md5
yum install cyrus-sasl-plain
yum install cyrus-sasl-lib


修改sendmail配置


vi /etc/mail/sendmail.mc


取消如下两行的注释(删除开头的dnl)


TRUST_AUTH_MECH(`EXTERNAL DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')dnl
define(`confAUTH_MECHANISMS', `EXTERNAL GSSAPI DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')dnl


修改SMTP的监听IP为 0.0.0.0


DAEMON_OPTIONS(`Port=smtp,Addr=0.0.0.0, Name=MTA')dnl


生成配置


m4 sendmail.mc > sendmail.cf


修改dovecot配置


vi /etc/dovecot.conf


去掉下面一行前面的#


#protocols =imap imaps pop3 pop3s


添加域名


vi /etc/mail/locl-host-names


添加域名如:yourdomain.com //每个域名一行


修改认证方式


vi /usr/lib/sasl2/Sendmail.conf
将原内容:pwcheck_method:saslauthd
修改成:pwcheck_method:auxprop


查看映射用户


sasldblistusers2


运行 saslpasswd2 添加用户


saslpasswd2 -u yourdomain.com -a sendmail yourname@yourdomain.com


设置开机启动


chkconfig sendmail on
chkconfig dovecot on
chkconfig saslauthd on


重启


service sendmail restart
service dovecot restart
service saslauthd restart


ok，使用outlook或foxmail进行测试。