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Verify your MailerLite export before you send

Export your subscribers from MailerLite as a CSV, upload it to SimpleVerifier as it is, and every address gets a live mailbox check. You download valid, risky and invalid files with your original MailerLite columns kept, ready to import back.

1. Export the CSV from MailerLite

  1. In MailerLite, go to Subscribers and pick the status you want from the Active subscribers dropdown.
  2. Use the dropdown arrow next to the Subscriber column to select all subscribers in the list.
  3. Click Set columns to add any fields you want in the file. Only visible columns are exported.
  4. Click Actions, then choose CSV file.

Only account administrators can export. To keep group membership, add Groups under Set columns before exporting.

Source: MailerLite help centre.

2. Upload it to SimpleVerifier

Sign in, upload the CSV as it came out of MailerLite and every address gets a live mailbox check with catch-all detection. The email column is found automatically.

Verify your MailerLite export

3. Import the clean file back

You get three files: valid, risky and invalid, each with every column from the original export. Import the valid file back into MailerLite or your sending tool, and keep risky addresses (usually catch-all domains) out of cold sends.

Common questions

How do I export my subscribers from MailerLite?
In MailerLite, go to Subscribers and pick the status you want from the Active subscribers dropdown. Use the dropdown arrow next to the Subscriber column to select all subscribers in the list. Click Set columns to add any fields you want in the file. Only visible columns are exported. Click Actions, then choose CSV file. Only account administrators can export. To keep group membership, add Groups under Set columns before exporting.
Do I need to change the MailerLite CSV before uploading it?
No. The email column is found by its header or its contents, so the MailerLite export works as it is. Every other column is kept, and the cleaned files come back with your original columns so you can import them straight back into MailerLite.
Why verify a list that came from MailerLite?
Subscribers who signed up years ago move jobs, abandon inboxes or typed their address wrong. Every send to a dead address in MailerLite is a bounce on your sender reputation, and many ESPs bill by contact count, so removing dead addresses also lowers the bill.
How much does it cost?
Verification is $29.99 a month with no limit on verifications, for files up to 100,000 rows. See the pricing page for the plans.

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