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PHP Reverse DNS lookup

Author: nathacof
Published: Friday 17th of July 2009

Reverse DNS lookup is a useful way to loosely verify the identity of a server, and is commonly used in SMTP email verification. Typically the owner of the IP must host the DNS record for the IP's PTR record, however it is possible for an entity to de...

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How to configure PostFix and Dovecot for Virtual Users with out a Database

Author: nathacof
Published: Monday 18th of February 2008

Before we Start Check Versions In this tutorial we assume you have Postfix v2.3 and Dovecot v1.0 or greater installed from your OS Specific repositories. If your repos don't have a new enough RPM you will need to compile from source. http://wiki.d...

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How to Compile a Shared Object for PHP

Author: nathacof
Published: Tuesday 24th of June 2008

PHP Version: You need to ensure you are compiling the proper version of PHP. On the server run the following command: [nathacof@vps ~]$ php -v PHP 5.1.6 (cli) (built: Sep 20 2007 10:16:10) Copyright (c) 1997-2006 The PHP Group Zend Engine v2.1.0, Co...

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