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Check Airtable Email MX Records
Check whether Airtable email domains have MX records and update each record.
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Check whether Airtable email domains have MX records and update each record.
Setup
Connect Airtable to both Airtable nodes, and set the same base and table IDs. Create a text field Email and a checkbox field Valid. Connect a UserCheck account to Check email MX. In n8n configure the same Airtable table with personal access token credentials on both Airtable nodes and a Header Auth credential named Authorization with value Bearer YOUR_USERCHECK_API_KEY on Check email MX. Run one format manually.
Behavior
The workflow reads all records, checks each email’s domain for MX records, then writes the resulting boolean to that record’s Valid field. MX records indicate domain mail routing; they do not prove that a mailbox exists or accepts mail. Empty tables cause no writes. A failed or incomplete lookup stops before updates. If an update fails or its result is uncertain, earlier records may already have changed; inspect the table before retrying. The complete record list and results must fit Open Flow’s Code input limit.
Inspiration & credits
Changes to the source
- Add a manual start and configure the table. Use the current UserCheck email endpoint for its MX signal instead of the legacy Mailcheck endpoint. Both formats use the same service.
Adapted from Check Airtable email domains with Mailcheck in Zie619/n8n-workflows. The matching n8n listing credits Harshil Agrawal. The original template does not state a separate license.
The collection’s MIT notice is pinned at a later revision. This is the collection notice at that revision; it does not establish a separate original template author’s license. Our changes are listed above; see repository licensing.
MIT License
Copyright (c) 2025 Zie619
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