SMTP for Cisco Unity

I need some suggestions as to how i should setup a smtp server to send out our VM to email and SMS in my org.  We use Google Apps for email so Call Manger can't be configured to use secure SMTP for messaging..  Port 25 only.   SO, with that said, how would i go about handling this situation and what software would you use for smtp.. FREE is always the best solution..  It is only being used to relay..
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We have Google Apps for our business and i had trouble getting our MFP printers to "scan to email" since they only supported port 25.

I downloaded and installed this program on one our our servers, setup the SMTP relay and then pointed our printers to it.  Works like a champ for 2+ years.

Here is an attached PDF of a KB that i wrote for it.  You could probably set this up and just tweak it for your needs.

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brothermangAuthor Commented:
You Rock!!!  Perfect solution!
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