Blacklisting at sohu.com

Sohu, one of the biggest ISPs in China, offers also anti-spam support.

Here you can find out all bounce codes from sohu

http://mail.sohu.com/info/policy/

and here you can look up your IPs, if they are blacklisted by sohu

http://mail.sohu.com/info/queryip/

and as well as IP look up, you can check out the blocked sender domains here

http://mail.sohu.com/info/querysender/

if you have more questions, plz contact the support center under

Email: webmaster@vip.sohu.com or Hotline: +86-(0)10-58511234

Have fun by anti-spamming!