Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

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Unable to send email messages.

  • 2 odgovora
  • 5 ima ovaj problem
  • 113 prikaza
  • Posljednji odgovor od BML

Sending of the message failed. Unable to authenticate to outgoing server (SMTP) mail.btinternet.com. Please check the password and verify the “Authentication method” in Account Settings Outgoing server (SMTP0

Sending of the message failed. Unable to authenticate to outgoing server (SMTP) mail.btinternet.com. Please check the password and verify the “Authentication method” in Account Settings Outgoing server (SMTP0

Svi odgovori (2)

I hung my cursor over my email icon and Thunderbird? came up so could you tell me how I contact them?

The error means the password is incorrect to that outside private email server. SMTP is a POP3/IMAP email from your ISP and you need to check your login to verify this.

The problem is I don't know how to do the above.

The BT Outage is causing the problem and is still running. When will it be sorted out?