SINA Weibo open XMPP service. You can connect to SINA Weibo with Messenger IM. Follow below.
Let us suppose, for example, that your Weibo ID is email@example.com
Add account => Choose account type “XMPP” => Enter your username : your_email\firstname.lastname@example.org => Enter your password => Click “Add account” button => Error will occur => Click the Weibo account on the account list => You can find “Host” on XMPP account page. => Change the Host into “xmpp.weibo.com” => Back button and your Weibo account will be alive
Keypoint : @ => \40, Host => xmpp.weibo.com