How to speed up PHP with Opcode cache like APC

What is  a Cache?

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How to Load Pagespeed and other DSO's With Nginx using Tengine

 Nginx with pagespeed

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How to Install Lighttpd with Iredmail

Lately, I have been trying different web servers with the following Goals in Mind.

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What is a DMARC record and how to add it

DMARC record is mostly used to track phishing and spam. It can also be very instrumental in abolishing it if implemented correctly.

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How to configure your Mail server to send email via IPv6 address

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