CentOS7
# cat /etc/yum.repos.d/epel.repo EOF [epel] name=Extra Packages for Enterprise Linux 7 - \$basearch #baseurl=http://download.fedoraproject.org/pub/epel/7/\$basearch mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-7arch=\$basearch failovermethod=priority enabled=1 gpgcheck=0 EOFCentOS6
# cat /etc/yum.repos.d/epel.repo EOF [epel] name=Extra Packages for Enterprise Linux 6 - \$basearch #baseurl=http://download.fedoraproject.org/pub/epel/6/\$basearch mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-6arch=\$basearch failovermethod=priority enabled=1 gpgcheck=0 EOF 2. 禁止postfix # service postfix stop # chkconfig postfix off 3. 安装exim # yum -y install exim 4. 将exim设为默认的MTA # alternatives --set mta /usr/sbin/sendmail.exim 5. 修改exim配置文件 # vi /etc/exim/exim.conf #几个参数 primary_hostname = mail.linuxeye.com #查看源邮件时显示Received: from mail.linuxeye.com,如果不指定直接取操作系统的hostname domainlist local_domains = @ localhost : localhost.localdomain :mail.linuxeye.com domainlist relay_to_domains = linuxeye.com #允许通过改主机发送邮件的域名 hostlist relay_from_hosts = 127.0.0.1 : 192_32G : 192.168.0.0/16 : #允许那些客户端主机发送邮件,如本地使用这台服务器发送邮件时,即需要添加本地出口ip地址(公网地址) 6. 测试 # yum -y install mailx # date | mail -r no-reply@linuxeye.com -s 'exim test' lj2007331@163.com # tail -f /var/log/exim/main.log #exim日志文件ps:
如果不指定-r(发邮件地址),且你的主机名不是xxx.com,可能会报如下错误:
SMTP error from remote mail server after MAIL FROM:
错误是550 MI:IMF 发信人电子邮件地址不合规范
经验强烈建议用网易企业邮箱,如果自己搭建邮件服务器做发邮件,又设置QQ企业邮箱做本地收发服务器会出现地址未验证问题。
Mon Apr 13 11:59:33 CST 2015

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