Clean a Mailing List Before an ESP Migration
Verifies every address in a list before moving it to a new email service provider, flagging invalid and catch-all rows so the migrated audience starts clean and the new ESP does not inherit old bounce problems.
Input
Output fields
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The Bulk Email Verifier - SMTP Validation & Deliverability Check Actor is ready to run with the inputs already set for "Clean a Mailing List Before an ESP Migration". Sign up or log in and you'll land in Apify Console with a copy of this exact task.
Start the "Clean a Mailing List Before an ESP Migration" task
The Bulk Email Verifier - SMTP Validation & Deliverability Check Actor will start running based on the input automatically. You can also change all the input fields, like emails, to match your specific use case.
Receive the "Clean a Mailing List Before an ESP Migration" output
Monitor the progress in real time. You will be notified as soon as your dataset is complete and ready for review. Each result includes data such as email, result, safe to send, and more.
Integrate into your workflow
The final output is delivered in JSON, CSV, or Excel format, ready to be plugged into your workflow. You can also run the "Clean a Mailing List Before an ESP Migration" task via API.

Integrate "Clean a Mailing List Before an ESP Migration" into your workflow
Connect "Clean a Mailing List Before an ESP Migration" with 100+ integrations, or run it via API or MCP.
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