Outgoing email error "Sending of the message failed." for charter.net (spectrum)
When I attempt to send an email, I get this pop-up: Sending of the message failed. An error occurred while sending mail: Outgoing server (SMTP) error. The server respond… (Lesen Sie mehr)
When I attempt to send an email, I get this pop-up:
Sending of the message failed. An error occurred while sending mail: Outgoing server (SMTP) error. The server responded: impout006.msg.chrl.nc.charter.net cmsmtp 15.181.97.27 blocked. Please see https://www.spectrum.net/support/internet/understanding-email-error-codes for more information. AUP#Out-1130.
My ISP is Spectrum, they said issue is with Thunderbird, incoming s/b 993, outgoing 587, which I confirmed. How can this be fixed?