Google offers a portable SMTP server(freebie) to send mail from any network to any email address provided you have a Gmail Account.
This is how your get it setup;
- In your mail applications set the SMTP server for outgoing mail to smtp.google.com .
- Make sure username and password options are checked. Input your username [yourgmailname]@gmail.com.
- Check off “TLS” under “Use secure connection”.
Hope it works for you.