Extract Domain and verify email syntax on the go

What problem is this workflow solving? This workflow is aimed for email marketing enthusiasts looking for an easy way to either extract the domain from an email ad also check if the syntax is correct without having to use the code node. How this works For this to work, replace the debugger node with your actual data source. Map your data at match the above layout Run your workflow and check for all the emails that are either valid or not Once done, you will have a list of all your emails, domains, and whether they are valid or not.

Help me set up the n8n workflow "Extract Domain and verify email syntax on the go" (https://n8n.io/workflows/2239). It uses: DebugHelper. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.