Notify on new emails with invoices in Slack

Ready for 3.0

by Jonathan ✓ · 2,747 views · created 2022-02-17 · Invoice Processing, AI Summarization

Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.

What this workflow does

This workflow has 6 nodes and runs when a new email arrives over IMAP. Along the way it connects Slack.

How it runs

Trigger: When a new email arrives over IMAP.

If: checks a condition and branches into true / false
Extract the total amount (Mindee): work with invoice
If: checks a condition and branches into true / false
Send Email: sends an email over SMTP
Send new invoice notification (Slack): uses Slack

Services it uses

Slack

Before you upgrade to n8n 3.0

Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.

Nodes used (5)

Email Trigger (IMAP)n8n-nodes-base.emailReadImap
Ifn8n-nodes-base.if
Mindeen8n-nodes-base.mindee
Slackn8n-nodes-base.slack
Send Emailn8n-nodes-base.emailSend

From the author

This workflow checks for new emails in a mailbox and if the email body contains the word "invoice" it will send the attachment to Mindee. It then posts a message to Slack to let the team know a payment needs to be made, If the value of the invoice is over…
Excerpt from Jonathan's description on n8n.io.

View the original on n8n.io → Check your own copy

Notify on new emails with invoices in Slack

What this workflow does

How it runs

Services it uses

Before you upgrade to n8n 3.0

Nodes used (5)

From the author

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