Hello TPG, I would like to cancel my NBN 50 service (customer ID: 7125416) as I will go back to China for good tomorrow. I have submitted the cancellation notice via the online form but it bounced back to me saying the mail is undelivered. Please see the returned email below.   This is the mail system at host web-http1-new.tpgi.com.au.   I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below.   For further assistance, please send mail to postmaster.   If you do so, please include this problem report. You can delete your own text from the attached returned message.                     The mail system   <winback@tpg.com.au>: host asav.tpg.com.au[27.32.32.10] said: 550 #5.7.1 DMARC     unauthenticated mail is prohibited. (in reply to end of DATA command)   Cancellation Request Submitted. Username : lipingjane Customer ID : 7125416 Service Address : 1 MARANA RD, EARLWOOD NSW 2206 Package Type : NBN FTTN 50 with Voice Email : chongyawsin@yahoo.com Cancellation : 28-11-2022 Remaining Contract : 0 Agreed to inside/outside contract and notice period terms: Yes Agreed to advice about port home phone number before cancellation: Yes Agrees to email and webspace also being cancelled: Yes Feedback : Is there anything TPG could have done differently to prevent you from cancelling your service? : I will return to China and no longer needed the NBN service in the rental property. ... View more