How to connect Bouncer and Postmark
Create a New Scenario to Connect Bouncer and Postmark
In the workspace, click the “Create New Scenario” button.

Add the First Step
Add the first node – a trigger that will initiate the scenario when it receives the required event. Triggers can be scheduled, called by a Bouncer, triggered by another scenario, or executed manually (for testing purposes). In most cases, Bouncer or Postmark will be your first step. To do this, click "Choose an app," find Bouncer or Postmark, and select the appropriate trigger to start the scenario.

Add the Bouncer Node
Select the Bouncer node from the app selection panel on the right.

Bouncer
Add the Postmark Node
Next, click the plus (+) icon on the Bouncer node, select Postmark from the list of available apps, and choose the action you need from the list of nodes within Postmark.

Bouncer
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Postmark

Authenticate Postmark
Now, click the Postmark node and select the connection option. This can be an OAuth2 connection or an API key, which you can obtain in your Postmark settings. Authentication allows you to use Postmark through Latenode.
Configure the Bouncer and Postmark Nodes
Next, configure the nodes by filling in the required parameters according to your logic. Fields marked with a red asterisk (*) are mandatory.
Set Up the Bouncer and Postmark Integration
Use various Latenode nodes to transform data and enhance your integration:
- Branching: Create multiple branches within the scenario to handle complex logic.
- Merging: Combine different node branches into one, passing data through it.
- Plug n Play Nodes: Use nodes that don’t require account credentials.
- Ask AI: Use the GPT-powered option to add AI capabilities to any node.
- Wait: Set waiting times, either for intervals or until specific dates.
- Sub-scenarios (Nodules): Create sub-scenarios that are encapsulated in a single node.
- Iteration: Process arrays of data when needed.
- Code: Write custom code or ask our AI assistant to do it for you.

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AI Anthropic Claude 3
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Postmark
Trigger on Webhook
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Bouncer
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Iterator
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Webhook response

Save and Activate the Scenario
After configuring Bouncer, Postmark, and any additional nodes, don’t forget to save the scenario and click "Deploy." Activating the scenario ensures it will run automatically whenever the trigger node receives input or a condition is met. By default, all newly created scenarios are deactivated.
Test the Scenario
Run the scenario by clicking “Run once” and triggering an event to check if the Bouncer and Postmark integration works as expected. Depending on your setup, data should flow between Bouncer and Postmark (or vice versa). Easily troubleshoot the scenario by reviewing the execution history to identify and fix any issues.
Most powerful ways to connect Bouncer and Postmark
Bouncer + Postmark + Google Sheets: This workflow verifies email addresses using Bouncer before sending emails via Postmark. The results of the email verification and sending are then tracked in a Google Sheet for reporting and analysis.
Postmark + Bouncer + Slack: When Postmark detects a bounced email, this flow uses Bouncer to re-verify the email address. If Bouncer confirms the email is invalid, a notification is sent via Slack to alert the team.
Bouncer and Postmark integration alternatives
About Bouncer
Use Bouncer in Latenode to verify email deliverability inside your marketing automation. Connect it to lead sources, CRMs, or signup forms. Stop sending emails to invalid addresses and improve sender reputation directly from your Latenode workflows. Add custom logic via JavaScript for advanced filtering.
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About Postmark
Use Postmark in Latenode to automate transactional emails. Connect events from your apps to trigger personalized messages, like order confirmations or password resets. Benefit from Postmark’s deliverability, plus Latenode's visual workflow builder and flexible logic to filter events and enrich email data, ensuring accurate and timely communication.
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See how Latenode works
FAQ Bouncer and Postmark
How can I connect my Bouncer account to Postmark using Latenode?
To connect your Bouncer account to Postmark on Latenode, follow these steps:
- Sign in to your Latenode account.
- Navigate to the integrations section.
- Select Bouncer and click on "Connect".
- Authenticate your Bouncer and Postmark accounts by providing the necessary permissions.
- Once connected, you can create workflows using both apps.
Can I automatically suppress bounced emails in Postmark?
Yes, you can! Latenode lets you automate Postmark suppression lists based on Bouncer results. This improves deliverability and sender reputation without manual list management.
What types of tasks can I perform by integrating Bouncer with Postmark?
Integrating Bouncer with Postmark allows you to perform various tasks, including:
- Automatically adding bounced emails from Postmark to a Bouncer verification list.
- Triggering email resends via Postmark only for Bouncer-verified addresses.
- Updating Postmark suppression lists based on Bouncer's email verification results.
- Creating detailed reports of email deliverability using Bouncer and Postmark data.
- Sending personalized follow-up emails through Postmark after Bouncer verification.
How does Latenode handle data security between Bouncer and Postmark?
Latenode utilizes secure connections and encryption to protect data transmitted between Bouncer and Postmark during workflow execution.
Are there any limitations to the Bouncer and Postmark integration on Latenode?
While the integration is powerful, there are certain limitations to be aware of:
- Complex workflows with high volumes may require optimized configurations.
- Certain advanced Bouncer features may not have direct equivalents in Postmark.
- Initial setup requires valid API keys and appropriate permissions for both apps.