Send email over Wifi with a microcontroller

I have a small Arduino Uno R3, with an Arduino WiFI shield,  project which monitors a room temperature and then sends an email to port 25. Problem is that I need to send to other than port 25 and with a username/pwd combo. I also have a Netduino 2 + which should work, but need a Wifi shield to go with it -- what shield would work? Can Netdiono send to other than port 25 with MF library? . Any other suggestions that might work like Raseberry etc?
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Giovanni HewardCommented:
One suggestion would be port forwarding or PAT.  Remote host listens on 25 and forwards traffic to alternate port and host.  If initial host is a windows machine, this would look something like:

netsh interface portproxy add v4tov4 listenport=25 listenaddress= connectport=2525 connectaddress=

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ncsolutionAuthor Commented:
I found a solution with an open source smtp client for the Net Micro Framework that works for non-wireless and wireless (Netdruino runs .Net MF),

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ncsolutionAuthor Commented:
works perfectly for the Netduino.....with Net Micro Framework
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