by Thibault Guillaume

Reduce bounce rate and increase email derivability

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Clean up your email list

Clean your .csv files from duplicates, invalid emails, risky emails and syntax errors.

Check emails validity

Gtmailcheck checks your mailing lists and helps you reduce your bounce rate during your marketing campaigns.

Check your customers' emails

Clean up and Check your customers' emails.

About GTMailcheck

Invalid email addresses sent during your email campaigns have a negative impact on the reputation of your domain name (or IP address) because you may be considered a spammer.

Reduce bounces and improve email deliverability

GTMailcheck verify and cleans your mailing lists for duplicates, invalid emails (expired addresses, fake emails, syntax errors...)

You can check the emails of your store's customers as well as your email lists in .csv format that you can drop with the drag'n drop system.

Download your .csv file ready to be sent

Once the verification is complete, the verified email addresses can be downloaded by categories in CSV format for your mailing campaigns.

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  • 50 email checks



  • Unlimited email checks

* All charges are billed in USD. Recurring charges, including monthly or usage-based charges, are billed every 30 days.

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