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Obscuring Email Addresses Actually Works

By Kyle Dent
July 25, 2009

I've always wondered if obscuring email addresses on web pages does any good, for example writing "bob at example dot com" instead of displaying the actual email address. It turns out it does

Postfix Postscreen to Increase Your SPF (Spam Protection Factor)

By Kyle Dent
July 7, 2009

Postfix is about to add a new tool to the anti-spam arsenal called "postscreen" for now, but the name is likely to change before it goes into a production release. Among other things postscreen detects when a client starts talking before it's supposed to. It's a daemon that accepts connections ahead of the current SMTP daemon and provides various types of filtering based on the client connection.

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