We're having some customers reporting problems emailing business partners in China. We've done some checking, and we're getting timeouts to certain nameservers in China, such as ns1.qq.com. When we mtr to one of these, we see high latency and packet loss at CHINA-TELEC.edge1.SanJose3.Level3.net. Host Loss% Last Avg Best Wrst StDev ..... 4. ae-11-11.car1.StLouis1.Level3.net 0.0% 92.6 53.9 48.1 160.7 19.9 5. ae-4-4.ebr1.Denver1.Level3.net 0.0% 22.0 25.3 21.9 34.2 4.2 6. ae-1-100.ebr1.Denver1.Level3.net 0.0% 21.9 24.3 21.8 33.5 3.5 7. ae-3-3.ebr2.SanJose1.Level3.net 0.0% 47.1 47.3 47.0 49.5 0.5 8. ae-82-82.csw3.SanJose1.Level3.net 0.0% 47.4 49.6 47.2 57.9 3.2 9. ae-3-80.edge1.SanJose3.Level3.net 0.0% 47.8 47.8 47.6 48.5 0.1 10. CHINA-TELEC.edge1.SanJose3.Level3.net 16.7% 147.1 146.8 146.0 166.6 3.2 11. 202.97.90.41 25.5% 146.8 147.3 146.2 167.6 3.5 12. 202.97.58.241 8.3% 311.4 311.3 310.9 311.7 0.2 13. 202.97.60.157 22.9% 316.2 317.4 316.0 344.4 5.1 14. 202.97.33.149 12.5% 316.3 316.3 316.0 318.4 0.4 15. 119.147.30.30 20.8% 295.6 300.7 295.0 431.2 23.6 16. 119.147.29.106 66.7% 315.9 342.7 313.0 398.5 38.8 17. 119.147.28.194 25.0% 299.9 300.0 299.7 301.0 0.3 18. 183.60.52.202 19.1% 308.3 307.9 307.6 308.3 0.1 Thanks