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Which day in a week is the best to send out emails? As I interacted with more and more customers I found everybody has a theory. Some customers say it’s …

When we send out emails, we want our emails to land in our recipients’ inbox, not their spam folder. We understand many factors can affect deliverability, including the email content, …

Assume your products can be used in Japan and you decided to send a newsletter to your Japanese subscribers. Should you use English or Japanese in the newsletter? You know …

Our emails can be bounced by the recipients’ email servers if the email addresses are no longer existent. The reason could be that the recipients have left the university or …

If you use Google Analytics on your website, and you also send out marketing emails regularly, you may want to use Google Analytics to track your emails. It’s actually simple …

After we sent out an email campaign, we are interested in the open rate and click rate. Say you sent out 20,000 emails, 2,000 opened, and 200 clicked. You probably …

Which of the following is better? Sending 40,000 email at once Sending ~4000 a day, and send in 10 days We did a real experiment. We sent out an email …

After we send out our emails, we would expect that the most opens occur in the first day. But when exactly did most opens occur – the first hour, or …

Is it better to send out our campaign in the morning or in the afternoon? To answer this question, we did an experiment: we sent out 12 identical campaigns at …

We often need to know if one campaign (A) is better than another one (B). For example, Is it better to include the recipient’s name in the subject line? Is …