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;

  1. In your mail applications set the SMTP server for outgoing mail to smtp.google.com .
  2. Make sure username and password options are checked. Input your username [yourgmailname]@gmail.com.
  3. Check off “TLS” under “Use secure connection”.

Hope it works for you.