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WP Google Analytics Events 500 Users Discount Code

Im happy to say that WP Google Analytics Events reached 500 downloads. To celebrate this milestone, I created a 15% discount promo code for the premium version of the plugin, WP Google Analytics Events Pro. It will be up for the next 24 hours so hurry up. Code: “Happy500” WP Google Analytics Events Pro Spread […]

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Postfix Performance Tuning – Reducing DNS latency

Making small changes to how we resolve domain names can make improve the Postfix performance and will allow you to squeeze a little more juice out of your hosts. Removing IPv6 Queries By default a postfix server works both with IPv6 and IPv4. This means that if a domain name, lets say gmail, resolves to […]

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Postfix rate limiting – Politeness goes a long way

When sending large amounts of bulk emails, it may be necessary to enforce rate limiting to prevent the ISP’s from blocking your servers. Reputation In the world of high volume senders, a key metric for detecting spammers is the IP addresses’s reputation. Building a good reputation for your servers takes time and hence patience but […]

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