For those who were looking forward to this moment, I can announce that our latest deliverability results are finally here! Making this our seventh email deliverability test to date. Of course, this round was not without surprises. In fact, as you’ll see, there’s been quite a bit of movement on the charts. If you want to make a comparison between this test and the previous one, see our September 2020 test. For those of you new to our tests, this is something we started Chinese Phone Number doing in August 2017 to monitor the deliverability rates of the world’s most popular email marketing services. The number of providers we review has since increased slightly; this round we’ve included a total of 15 different messaging services, three more than the last round. The providers we added are: HubSpot, Omnisend and Moosend.

What Is Email Deliverability?

To avoid confusion, let’s take a look at what email deliverability means before analyzing the results.  There are, in fact, a number of places where your email can end up: the spam/junk folder; in the case of Gmail, the Promotions tab; or, worst of all, it disappears (not delivered) The term “email deliverability” covers all of the scenarios above, and that’s what we tested. Before we jump into the analysis of the results, I wanted to share the definitions of the following terms, to avoid any confusion.

Deliverability to the Most

Email Database

The following table summarizes the average deliverability rates to Gmail, Yahoo, Microsoft (Hotmail + Outlook) and AOL. For Gmail, we distinguished between emails that arrived in the main inbox and the Promotions tab. The table below shows the averages of email arrival for each provider. The main inbox, another tab, the spam folder or if they disappeared. The following table summarizes the average deliverability rates to Gmail, Yahoo, You can read more about our methodology here, and also see how the tools have worked over the years. Contents

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