If you have a residential internet connection it is perfectly normal. Your Internet Service Provider blocks sending email through servers other than their own. This action will serve to reduce the amount of fraudulent emails sent over the internet. In this situation you must use your Internet Service Provider mail server or the secure SMTP connection (SSL) on port 465. The second option is preferable when using a laptop and you regularly need to change location.
The graphics are generated in SVG format. Browsers such as Firefox, Opera and Chrome have the native support of this technology. With regard to Internet Explorer 6 to 8, you must install a plugin http://www.savarese.com/software/svgplugin/ to add this feature.