QQ 開通SMTP的步驟
http://service.mail.qq.com/cgi-bin/help?subtype=1&id=28&no=166

QQ郵箱獲取授權(quán)碼步驟，獲取授權(quán)碼后輸入到密碼欄里
https://service.mail.qq.com/cgi-bin/help?subtype=1&&no=1001256&&id=28

Sina 郵箱開通SMTP幫助請(qǐng)看
http://help.sina.com.cn/comquestiondetail/view/161/

網(wǎng)易郵箱開啟 SMTP 的幫助
https://help.mail.163.com/faqDetail.do?code=d7a5dc8471cd0c0e8b4b8f4f8e49998b374173cfe9171305fa1ce630d7f67ac21b87735d7227c217

網(wǎng)易郵箱獲取授權(quán)碼幫助
https://help.mail.163.com/faq.do?m=list&categoryID=197

139 郵箱開通SMTP幫助

http://help.mail.10086.cn/statichtml/0/Content/3620.html