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I keep getting error message when trying to send an email: Message says: "SMTP AUTH. is requested for messages submission on port 587". I have checked all my settings and they are correct. Any ideas how to fix?

I keep getting error message when trying to send an email: Message says: "SMTP AUTH. is requested for messages submission on port 587". I have checked all my settings and they are correct. Any ideas how to fix?

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In order for us to better investigate this issue you need to add a little more non-personal information.

Please add the troubleshooting information to your post. To find the Troubleshooting information:

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