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failed to connect: SMTP auth: 535 5.7.8 Error: authentication failed: (reason unavailable)
Can you provide a detailed operation process? Or you can provide your detailed SSH information and send it to our email [email protected].
Can you provide a detailed operation process? Or you can provide your detailed SSH information and send it to our email [email protected].
i have emailed and I am encountering an issue when attempting to send a test email through the BillionMail platform. The following error message is displayed:
“Failed to connect: SMTP auth: 535 5.7.8 Error: authentication failed (reason unavailable).”
This issue occurs every time I try to send a test email, including to [email protected]. I have also tried using other email addresses, but the same issue persists in all cases.