This tutorial will show you how to disable notification email in Magento 2 in 6 steps.
Step 1: Log into Magento back-end.
Step 2: Go to Store > Configuration > Advanced.
Step 3: Under the Advanced Tab, choose System.
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Step 4: Span Mail Spending Settings tab.
Step 5: In the Disable Email Communications filed, choose Yes.
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Step 6: Click Save Config
Now, notification email is disabled.
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