Problem With Webmail Access?

Is anyone else experiencing problems with the SmarterMail web interface this evening? Accessing the interface at webmail.domain.com as I usually do is sending the browser into a redirect that will never complete. I.e. my browser displays the following:

Too many redirects occurred trying to open “http://webmail.domain.com/”. This might occur if you open a page that is redirected to open another page which then is redirected to open the original page.​