Updated the mailing list for OpenBLAS.

README.md

@@ -91,7 +91,8 @@ If you compile this lib with USE_OPENMP=1, you should use the above functions, t
 Please add a issue in https://github.com/xianyi/OpenBLAS/issues
 
 ## Contact
-OpenBLAS users mailing list: http://list.rdcps.ac.cn/mailman/listinfo/openblas
+OpenBLAS users mailing list: https://groups.google.com/forum/#!forum/openblas-users
+OpenBLAS developers mailing list: https://groups.google.com/forum/#!forum/openblas-dev
 
 ## ChangeLog
 Please see Changelog.txt to obtain the differences between GotoBLAS2 1.13 BSD version.