Marketing · n8n

Turn Every Employee Email Into a Billboard — Update All Signatures at Once

Your team sends thousands of emails monthly — free ad space nobody uses. Update everyone's signature banner from one place for each campaign or launch.

difficulty Intermediatesetup 30 minresult Every outgoing company email carries your current campaign automatically — a free, always-on channel.
  1. 1

    Define the Campaign

    Set the current banner image, text and link in a sheet.

  2. 2

    Push to All Signatures

    Add an HTTP Request to the Gmail API updating each user's signature with the campaign block.

  3. 3

    Schedule Rotations

    Add a Schedule Trigger switching campaigns on your marketing calendar.

  4. 4

    Confirm the Rollout

    Add a Slack note confirming how many signatures updated.

  5. 5

    Activate and Test

    Activate the workflow with a test campaign. Confirm signatures update across accounts.

Frequently asked questions

How much reach is this?

A 20-person team sending 40 emails a day is ~17,000 impressions a month — to people who already open your mail.

What converts in signatures?

One clear banner: a webinar, a case study or a product launch — not a link farm.

About this recipe. Recipes on FlowRecipesHub are written for business owners, not developers, and are tested before publishing — how recipes get made. Some ingredient links are affiliate links that cost you nothing — full disclosure.