I am working for a small Ho Chi Minh City company whose only server was just one old small computer. Now just a few months later, we are expanding rapidly and one of the req
sendmail does the trick. You can configure sendmail to use your regular email smtp account, details are here: http://developernote.com/2012/07/how-i-configured-sendmail-for-php-on-ubuntu-server-12-04/ and specifically for gmail here: http://linuxconfig.org/configuring-gmail-as-sendmail-email-relay There is a bug in the sendmail configuration files which you can read about here: http://linux.koolsolutions.com/2010/10/14/tip-fixing-sendmail-configuration-error/