Question : 553 sorry, that domain isn't in my list of allowed rcpthosts; no valid cert for gatewaying (#5.7.1)

I am staying is a hotel and they offer internet service for the room.  I use MS Outlook and the out going server is "smtp.theparkwayhotel.com".  I have checked with the IT people here and they said I do not need authentication checked.

I get the following message on an imdediate send back message: 553 sorry, that domain isn't in my list of allowed rcpthosts; no valid cert for gatewaying (#5.7.1)

Please help ASAP!

Answer : 553 sorry, that domain isn't in my list of allowed rcpthosts; no valid cert for gatewaying (#5.7.1)

there are lots of possibilities, see the following thread:

http://www.experts-exchange.com/Networking/Email_Groupware/Exchange_Server/Q_20752351.html

kris.
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