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Hi,

Since March 18, our outbound messages fail due to -3 error (Temporary failure in name resolution) without any change in the app. We've checked our server and port (checking also 465) and they are correct with SSL/TSL connection. Our connection information is basic:


SMTP server: smtp.gmail.com

SMTP port: 587


Does anyone have any clue about the cause?


Regards,

David

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Melhor resposta

Hi,

Please try to change your SMTP port from 587 to 465. And also ensure your username and app password are correct.


Hope it helps

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