This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

Buscar en Ayuda

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Este tema ha sido archivado. Haz una nueva pregunta si necesitas ayuda.

Sending of the message failed. The Outgoing server (SMTP) smtp.east.cox.net does not support the selected authentication method. Please change the 'Authenticati

  • 1 respuesta
  • 9 tienen este problema
  • 7 visitas
  • Última respuesta de christ1

helenozee
helenozee
more options

Ever since the last update a couple days ago, I get this when I hit send. Sometimes it takes one more try, sometimes multiple tries. How do I fix this?

Sending of the message failed. The Outgoing server (SMTP) smtp.east.cox.net does not support the selected authentication method. Please change the 'Authentication method' in 'Account Settings | Outgoing Server (SMTP)'

Ever since the last update a couple days ago, I get this when I hit send. Sometimes it takes one more try, sometimes multiple tries. How do I fix this? Sending of the message failed. The Outgoing server (SMTP) smtp.east.cox.net does not support the selected authentication method. Please change the 'Authentication method' in 'Account Settings | Outgoing Server (SMTP)'

Todas las respuestas (1)

christ1
christ1
  • Top 25 Contributor
more options

Check with your email provider what the supported authentication method is, and compare that with your setting.