KeyHelp vs Postgrey
A side-by-side look at KeyHelp and Postgrey. For an in-depth review of either product, follow the links below.
KeyHelp
Accessibility
KeyHelp is a free on-screen keyboard software for Windows that helps people with physical disabilities type on their computer. It displays an on-screen keyboard with large keys that are easy to press with a mouse or other pointing device.
accessibilityonscreen-keyboardassistive-technology
Postgrey
Network & Admin
Postgrey is an SMTP proxy program that temporarily delays mail delivery to help mitigate spam. It uses greylisting to reject initial email delivery attempts, forcing email servers to retry sending messages and confirming they are not spammers.
greylistingsmtpemail-deliveryantispam
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