下面的命令为单条输入执行
%创建连接% telnet smtp.126.com 25 %登录服务器% EHLO 126.com auth login base编码的邮箱名 base编码的邮箱密码 %添加地址% mail from:<[email protected]> rcpt to:<[email protected]> %添加邮件数据% data From: Bob Example To: Alice Example Cc: [email protected] subject:sub Date: Tue, 15 January 2008 16:02:43 -0500 %标题栏和正文之间必须有空格% Hello Alice. This is a test message with 5 header fields and 4 lines in the message body. Bob . %正文以. 结束% QUIT
SMTP的用法:https://blog.csdn.net/sinat_36219858/article/details/71069515
c++实现发邮件:https://blog.csdn.net/sinat_36219858/article/details/80439782