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Bulk SMTP email cleanup for CRM lists

Clean CRM exports in bulk by detecting invalid, unknown, temporary, and catch-all SMTP responses before campaigns.

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Bulk SMTP Email Verifier — Mailbox & Catch-All Checker
Bulk SMTP Email Verifier — Mailbox & Catch-All Checkerautomation-lab/smtp-email-verifier
Email
SMTP Status
Valid
Catch-All
+6 fields
Text
Number
Boolean
List
Object

Input

📧 Email addresses(required):newsletter@shopify.com+3
⏱️ SMTP timeout (seconds):30
🔄 Retry attempts:2
⚡ Concurrency:3
🏢 Max emails per domain per batch:5

Output fields

Email
SMTP Status
Valid
Catch-All
Valid Syntax
Has MX
Mail Provider
SMTP Code
Error
Checked At

How it works

Sign up on Apify or log in

The Bulk SMTP Email Verifier — Mailbox & Catch-All Checker Actor is ready to run with the inputs already set for "Bulk SMTP email cleanup for CRM lists". Sign up or log in and you'll land in Apify Console with a copy of this exact task.

Start the "Bulk SMTP email cleanup for CRM lists" task

The Bulk SMTP Email Verifier — Mailbox & Catch-All Checker Actor will start running based on the input automatically. You can also change all the input fields, like 📧 email addresses, ⏱️ smtp timeout (seconds), and more, to match your specific use case.

Receive the "Bulk SMTP email cleanup for CRM lists" 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, SMTP Status, valid, 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 "Bulk SMTP email cleanup for CRM lists" task via API.

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Integrate "Bulk SMTP email cleanup for CRM lists" into your workflow

Connect "Bulk SMTP email cleanup for CRM lists" with 100+ integrations, or run it via API or MCP.

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