When you are accessing your email out of China, you can set up your Outlook
express account according to the following instruction:

Outgoing mail server (SMTP): mail.c6.corpease.net Server port numbers:994

And choose “This server requires a secure connection (SSL)”;

Incoming mail server (POP3): mail.c6.corpease.net Server port numbers:995

And choose “This server requires a secure connection (SSL)”

For more information about this configuration ,you can refer to:
http://help.corpease.net/service_6_help1_q49.htm . Please note that you
should replace mail.corpease.net with mail.c6.corpease.net in this help
document