[529405]php程序修改

一个php邮件发送程序，现在需要从25端口发送端口修改为TLS协议587端口发送，和多smtp循环调用

php通过TLS发送邮件参考资料：
https://blog.csdn***/weixin_29605297/article/details/116510671
https://***feiqueyun***/zixun/jishu/305529.html
https://blog.csdn***/qq_42393978/article/details/84935835
https://blog.csdn***/weixin_29518761/article/details/116511345
https://segmentfault***/q/1010000042648924
https://***xin3721***/PHP/php42936.html
http://t.zoukankan***/lfjblog-p-10156604.html
https://***freesion***/article/3611842933/
https://***itfh***/post/5799.html
https://vimsky***/examples/detail/php-ex---SMTP-tls.html
https://***it1352***/676345.html
https://blog.csdn***/weixin_29337315/article/details/115106140
https://***5axxw***/questions/content/s8ks6v
https://bbs.huaweicloud***/blogs/380040
https://blog.csdn***/michaelchain/article/details/119628732
https://***jb51***/article/61771.htm?winzoom=1
https://***it1352***/1746180.html