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FIX ERROR " 551 Sender address is not valid for your login"  Print this Article

If you are getting the error (also in screenshot) "551 Sender address is not valid for your login" when you try to send emails from your email client then you need to check the login details entred by you in your email client.

error

To fix the above issue you need to check the login details entered by you in your

corresponding email client.

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