Email Bouncing - anyone else seeing this problem , error code AUP#In-1300
Is anyone having issues sending to charter.net addresses from Exchange Online? It started for me around 9:30 AM on Saturday.
We get these bouncebacks:
Your email couldn't be forwarded from [removed my email address for security] to another email address.
Your message was rejected by the recipient email server. Please check the recipient's email address and try resending your message, or contact the recipient directly. For more tips to help resolve this issue, see DSN code 5.1.0 in Exchange Online - Office 365. If the problem continues, contact your email admin.
mpin018.msg.chrl.nc.charter.net gave this error:
184.108.40.206 blocked. Please see https://www.spectrum.net/support/internet/understanding-email-error-codes for more information. AUP#In-1300
I contacted Spectrum tech support, and they said to send a blank message with title "unblock" to [email protected], and then to allow up to 72 hours for it to be fixed.