ActionMailgunUpdated May 2026

How do I send email via Mailgun?

Short answer: Drop the "Mailgun → Mailgun Send Email" action anywhere in your workflow, map the inputs from upstream nodes, and publish.

Use this action All 3 Mailgun actions

Inputs

The fields this action accepts.

Every field can be mapped from an upstream trigger, AI step, table row, or hard-coded literal.

Field	Type	Required	Description
From from	string	Required	Sender email (must be from a verified domain)
To to	string	Required	Recipient email (comma-separated for multiple)
Subject subject	string	Required	Subject. Example: Your order is confirmed
HTML Body html	string	Required	HTML Body
Plain Text Body text	string	Optional	Plain Text Body
CC cc	string	Optional	CC. e.g. "cc@example.com"
BCC bcc	string	Optional	BCC. e.g. "bcc@example.com"
Tags tags	string	Optional	Comma-separated tags for tracking
Reply-To reply_to	string	Optional	Reply-To. e.g. "support@yourdomain.com"

Sample request

{
  "from": "noreply@yourdomain.com",
  "to": "user@example.com",
  "subject": "e.g. Your order is confirmed",
  "html": "{{trigger.html}}",
  "text": "{{trigger.text}}"
}

Returns

{
  "id": "<20250115120000.abc123@yourdomain.com>",
  "message": "Queued. Thank you."
}

Use these fields in downstream nodes for routing, logging, or error handling.

Triggered by

Apps that pair well as the trigger for Mailgun Send Email.

Any of these apps can fire this action as part of a workflow.

Google Sheets → Mailgun

2 Google Sheets triggers

HubSpot → Mailgun

18 HubSpot triggers

FAQ

Questions about Mailgun Send Email.

What does the Mailgun Send Email action do in Mailgun?

Sends transactional or bulk email with HTML/text body, attachments, per-recipient variables for batched personalised sends. The standard hook for "external event → transactional email" patterns.

What inputs does Mailgun Send Email require?

Required: From, To, Subject, HTML Body. Every input accepts a static value or a variable from any upstream node in your workflow.

Can I use dynamic inputs from earlier workflow nodes?

Yes. Any field on this action can pull values from upstream nodes, whether that's a form response, a trigger payload, an AI output, or a lookup result.

What happens if Mailgun returns an error?

The workflow pauses on the failed node, the error message is captured in the run log, and you can retry the run with one click. Auto-retry policies are configurable per workflow with exponential backoff up to 5 attempts.

Does Mailgun Send Email support batch operations?

Yes. Run Mailgun Send Email inside a Loop node to process arrays. Tiny Command handles Mailgun's rate limits automatically so you don't have to throttle manually.

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