How can I create an A/B test? You can run A/B tests on Mailrelay, if you need to know how to do it, review this tutorial:
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How can I change the delivery speed on my Mailrelay account? Would you like to change the delivery speed of your campaigns?
This tutorial will show you the...

How to create a backup of all your subscribers? Creating a backup of all your subscribers is very easy, just follow the steps of this article:
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