“The MX record of a domain needs to contain a host name that maps to the IP address involved. The Time to Live of the MX record needs to be at least 43200 seconds.
先问大家一个问题:100个附件要发给100个不同的人,你用什么方式来发送?是一个一个地发吗?那可能需要一个小时,如果有更多附件,估计很多人头都大了。下面介绍一个一键发送的方法:用excel设置、定义好后,每次发送带附件的邮件只需一个函数即可一秒完成批量发送。