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![New issue: Authentication error. Server returned error "[AUTH] Authentication failed." - Gmail Community](https://storage.googleapis.com/support-forums-api/avatar/profile-4452-3377945125819401917.jpg "New issue: Authentication error. Server returned error \"[AUTH] Authentication failed.\" - Gmail Community")
New issue: Authentication error. Server returned error "[AUTH] Authentication failed." - Gmail Community
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What is the SMTP Authentication Error & 3 Ways to Fix it
