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configure postfix mail server with cyrus-imap and sasl authentication

This article will describe you step by step installation and configuration postfix mail server with cyrus-imap and sasl authentication. Postfix as MTA (mail transfer agent) SASL (Simple Authentication and Security Layer)for Authentication Cyrus-IMAP Package installation #yum install postfix system-switch-mail cyrus-imapd cyrus-plain cyrus-md5 cyrus-utils #rpm -qa cyrus* cyrus-sasl-lib-2.1.23-13.el6_3.1.x86_64 cyrus-sasl-plain-2.1.23-13.el6_3.1.x86_64...
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Install ModSecurity on Apache Ubuntu Server.

Mod_security is an apache module it works as a web application layer firewall that helps to protect your website from various attacks. Mod_Security is used to block commonly known exploits by use of regular expressions and rule sets. Through this article you can install ModSecurity on Apache Ubuntu...
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How to enable server status in Apache

The Mod_Status module permits a server administrator to expose how well the apache server is performing. A HTML page is offered that gives the current server statistics. So to enable server status in apache uncomment the following lines. <Location /server-status> SetHandler server-status Order Deny,Allow Deny from all Allow...
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How to configure mx-gateway (mail gateway) on postfix

There are basically two main security profit to using an postfix mx-gateway. One of, it’s much easier to keep secure a single SMTP gateway from external threats than it’s keep secure multiple internal e-mail servers. Second one is, separating Internet mail from internal mail permits one to move...
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