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Email Error: Can't send message ( 530 - 5.5.1 Authentication required. Learn More at ...
Posted by Zoe Strassen, Last modified by Beth Rose on 12 February 2018 01:29 PM

If you receive the following error when trying to send an email in One Stop Order Processing, you will need to allow less secure apps via your Gmail account. Click here to see how to allow less secure apps.

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