Blogs

Are You Ready for the Dns Flag Day?

An important change in the way DNS operates is coming. On February 1st 2019 some of your visitors might have trouble reaching you. Are you ready for the change?

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Benchmarking SMTP servers with Postal

This is a technical post where we discuss the use of the Postal SMTP Benchmarking tool to determine the performance of your email servers. For our examples, we’re targeting our Managed Email Tunnel but the information should also be of use for any plain mail server.

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Is Your Email Ready For The SSL Deadline?

Google among others is pushing for universal adoption of SSL and this October there’s a new deadline: Websites without SSL will be prominently marked as not secure. What does this mean for your email?

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Warming Up Your Managed Email Tunnel

Your Managed Email Tunnel provides dedicated IP addresses with a clean reputation. Here are some tips and advice on how to go about ramping up email sending to maximize your results.

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Dedicated vs Shared IPs

Explaining the differences with a simple metaphor involving sporting teams, coaches and referees could be a simpler way to guide clients around the most important factors to consider while evaluating options for email delivery.

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Blacklist Bias

DNS blacklists and other classes of filters are defense mechanisms with biases that affect their performance depending on geography, language and other factors. Why is that, how does it affect email senders and what can be done about it?

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Spamtraps

If you’ve spent any significant time in the email industry, you know that the subject of spamtraps makes some marketers cringe. Spamtraps are not out to get you and if you follow a few good practices, they won’t be too much of a problem.

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