mrtaxi,
We have seen this error before with Exchange Online and it has to
do with it requiring a specific port to communicate. Currently in Method it is
not possible to set this port but we do have a ticket on adding this but as of
current there is no timeframe for it.
-Michael
Michael Melo
Product Manager
Method Integration Inc.
Website: http://www.method.me
LinkedIn: http://www.linkedin.com/in/MichaelMelo