As far as I can tell from here it looks like https port 443 is being blocked...
Andrew Skoulding wrote:
>
> I have tried pretty much everything to gain access to webmail
> using the https from the internet out of the office. Please
> give me some indication of where I am going wrong! The
> webmail access is set to https only, so as far as i'm
> concerned it should work.
>
> Thanks,
>
> Andrew.