Receive and analyze emails with rules in Sublime Security

This n8n workflow provides a comprehensive automation solution for processing email attachments, specifically targeting enhanced security protocols for organizations that use platforms like Outlook. It starts with the IMAP node, which is set to ingest emails and identify those with .eml attachments. Once an email with an attachment is ingested, the workflow progresses to a conditional operation where it checks for the presence of attachments. If an attachment is found, the binary data is moved and converted to JSON format, preparing it for further analysis. This meticulous approach to detecting attachments is crucial for maintaining a robust security posture, allowing for the proactive ident

Help me set up the n8n workflow "Receive and analyze emails with rules in Sublime Security" (https://n8n.io/workflows/1976). It uses: HTTP Request, Slack, Code. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.