Certificate is not valid for the server domain

I have imported cert for multi domain *.mysite.com. But my jabber server is on jabber.mysite.com and have same server name. After restarting, server has disabled secure connection and get warning “Found RSA certificate that is not valid for the server domain”. If I change server name to mysite.com, server activate ssl perfectly, but client could not connect because SSL handhake error(domain name of cert and client jid not compatible).

How can I sort this? Deployment server to mysite.com is a bad idea.