For most marketers, open rate is one of the most important metrics. But why is this the case? And how is open rate mesured? Are high deviations between the different ISPs (e.g. Yahoo, Hotmail) a reason to worry? In December 2013, …

Caching vs. Tracking: Meaning and measurement of open rates in e-mail marketing Read more »

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We could talk about Deliverability as everyone, we choose to talk about it as no one. Today, more than 60% of the whole email traffic is spam (statistica, 2016). This means ISPs have more chance to receive a spam attack, …

How delivery rates are calculated – and why there’s no simple answer Read more »

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