Solutions

Email notification error

Modified on 2025-06-10 12:13:08 +0200

Our PRTG email notification suddenly stop working. This is the error, please help. Error sending "Email": Authentication unsuccessful ("smtp.gmail.com") (Sensor/Source/ID: 2433/0/1)

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Hello,

It sounds like you need to check the SMTP Relay options by going to Setup -> System Administration -> Notification Delivery.

Make sure the credentials you have entered into PRTG to use GMail to send emails is correct.

Let me know how that works out for you

Benjamin Day
Paessler Support

Feb, 2019 - Permalink

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The information in the Paessler Knowledge Base comes without warranty of any kind. Use at your own risk. Before applying any instructions please exercise proper system administrator housekeeping. You must make sure that a proper backup of all your data is available.

Email notification error

Article CommentsAttention: This article is a record of a conversation with the Paessler support team. The information in this conversation is not updated to preserve the historical record. As a result, some of the information or recommendations in this conversation might be out of date.

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Attention: This article is a record of a conversation with the Paessler support team. The information in this conversation is not updated to preserve the historical record. As a result, some of the information or recommendations in this conversation might be out of date.