Cannot send messages using Microsoft Online Exchange Services

[eluser]Unknown[/eluser]
Hi all,

I’m getting STARTTLS errors while trying to send messages using MS Online Exchange. And the strange thing is that my config works just fine with a Google Apps account - which is a well known SSL/TLS connection - but gives errors when I switch to the MS service.

Any cues on what could be wrong?

Is there any additional connection parameter I should be adding to email config file?

Thanks

RA