ActionMailgunUpdated May 2026

How do I validate an email via Mailgun?

Short answer: Drop the "Mailgun → Mailgun Validate 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
Email Address address	string	Required	Email Address. Example: user@example.com

Sample request

{
  "address": "e.g. user@example.com"
}

Returns

{
  "risk": "low",
  "result": "deliverable",
  "address": "user@example.com",
  "is_role_address": false,
  "is_disposable_address": false
}

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

Triggered by

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

What does the Mailgun Validate Email action do in Mailgun?

SMTP-handshake + DNS + Mailgun-heuristic validation. Returns deliverable/undeliverable/risky/unknown. Useful for in-flow validation before adding to sequences.

What inputs does Mailgun Validate Email require?

Required: Email Address. 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 Validate Email support batch operations?

Yes. Run Mailgun Validate 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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