Mailgun + TrueMail – TrueMail


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An Mailgun integration permits you to import your Mailgun lists into TrueMail, validate them and send the validation results back to Mailgun.

Getting Started

To get started with this integration, login to your TrueMail dashboard and select “Add List” on the right of your dashboard. It will open a modal window showing a list of integrations on the left.

If you have not used this integration before:

Under “Add Integration” you will see a list of possible integrations. Scroll down and find the one you need. Click on the Mailgun integration and you will see will see field to input your Mailgun API key on the right.

If you have already connected this integration:

You can see the list of integrations you have already connected to under “Current”. Select the Mailgun integration to see a list of your lists.

Importing a List

After you are connected to Mailgun, you should see your Mailgun lists. Select one and click “Import List” to begin importing your list. When the list is imported, it can be analyzed and validated.

Sending the Results Back to Mailgun

When you’ve completed validation, you can send the results back to Mailgun by clicking ‘Export to Mailgun'. It will activate the export process and the button will be changed into ‘Exported’.

When the results are exported to Mailgun, you can always re-export your results. To do this, click on ‘Exported’ button and select ‘Re-export’ option.

Where I find my verification results?

During the export process, we’ll attempt to create a custom field named “TrueMailValidationStatus” to store the TrueMail validation result (valid, invalid, disposable, catchall, and unknown).

Disconnecting Mailgun

You can reconnect your Mailgun account anytime by following these instructions:

Click “Add List” from your dashboard. On the left you see “Mailgun” under your current integrations. Hover over “Mailgun” and see a red broken link icon to the right. Click on that icon and you will see disconnection instructions on the right.


My import has been processing for a while, how long does it take? Why isn’t there a progress bar?

Usually importing takes several minutes for a few thousand contacts and upwards of an hour for larger numbers of contacts.

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