Warning: mail() [function.mail]: Failed to connect to mailserver at "localhost" port 25.......

Warning: mail() [function.mail]: sendmail_from not set in php.ini or custom from header missing in.....

Warning: mail() [function.mail]: Failed to connect to mailserver at "localhost" port 25, verify your "SMTP" and "smtp_port" setting in php.ini or use ini_set() in .....

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     很多人第一次用 php 自带的mail函数发送邮件的时候都会出现上面的这些莫名其妙的问题，其实不然，只是你运行的是本地的而已，并没有带上邮件发送服务器，所以会出现上诉问题，当然最简单的解决方法就是用封装了的 php 邮件发送类，如:功能强大的 phpemali......