am facing problem about , i have wingate located on my server , but my clients work normal in everythings but only i face that problem , when they wanna change their email from outlook express .. if there email for example were : name@hotmail.com , its allow them to check it from outlook express .. but if their emails other than *#hotmail.com , for example like : *@cyberia.com.lb , or *@terranet.lb , they cant have access to login and check their email though that ...
so give me help please how to fix it