Error received when trying to log in to Stamps.com application "Firewall or Internet Connection Problems. This error most commonly occurs when Stamps.com cannot access the internet often due to a firewall or internet connection setting .
1. Open Internet Explorer
2. Click on "Tools"
3. Click on "Internet Options" and click on "Delete".
7. Open Stamps.com application and attempt to log in. You should no longer receive error message.