想跟一个不是好友、也不再一个群里的人聊天，在ie中输入
tencent://message/?Menu=yes&uin=这里替换成QQ号码&Site=itbulu&Service=300&sigT=45a1e5847943b64c6ff3990f8a9e644d2b31356cb0b4ac6b24663a3c8dd0f8aa12a595b1714f9d45
比如本人的：
tencent://message/?Menu=yes&uin=1147417467&Site=itbulu&Service=300&sigT=45a1e5847943b64c6ff3990f8a9e644d2b31356cb0b4ac6b24663a3c8dd0f8aa12a595b1714f9d45
邮箱
<a target="_blank" href="http://mail.qq.com/cgi-bin/qm_share?t=qm_mailme&email=MwICBwQHAgQHBQRzQkIdUFxe" style="text-decoration:none;"><img src="http://rescdn.qqmail.com/zh_CN/htmledition/images/function/qm_open/ico_mailme_01.png"/></a>
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如果失效用下面的
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http://wpa.qq.com/msgrd?v=3&uin=对方QQ号&site=qq&menu=yes