I've followed their (Microsoft's) instructions, forwarded mesaage to them and got a response
That pointed me to https://sender.office.com/ (https://sender.office.com/) to delist, which I did - but it said my ip was not listed ... It seems like a bigger block on Linodes IPs - so am in the process of chasing that but ... in the absense of a resolve there, its a major - change providors - holy smoke - that's a big response So I just thought I bounce here to see if others are in same (, Linode - or is it a bigger,) boat ... Cheers David Bray e. da...@brayworth.com January 4, 2022 9:01 AM, "Eric Broch" <ebr...@whitehorsetc.com (mailto:ebr...@whitehorsetc.com?to=%22Eric%20Broch%22%20<ebr...@whitehorsetc.com>)> wrote: Did you do what the failure message said, i.e., forward the massage or go to web. On 1/3/2022 3:34 PM, David Bray wrote: Hi all, does anyone see this issue ? Obviously not a toaster issue, but thought I'd bounce here ... I'm using Linode as my providor and having issues sending emails to office365 accounts - live/hotmail are not affected I see this being reported at - and it describes my issue exactly: https://docs.microsoft.com/en-us/answers/questions/674558/550-57511-access-denied-banned-sender.html (https://docs.microsoft.com/en-us/answers/questions/674558/550-57511-access-denied-banned-sender.html) The timing is precise, I became aware of the issue on 22 December. I've also initiated a conversation here: https://www.linode.com/community/questions/22287/550-57511-access-denied-banned-sender-office-365 (https://www.linode.com/community/questions/22287/550-57511-access-denied-banned-sender-office-365) My log message is delivery 1: failure: 104.47.71.138_does_not_like_recipient./Remote_host_said:_550_5.7.511_Access_denied,_banned_sender[linode.ip]._to_request_removal_from_this_list_please_forward_this_message_to_del...@messaging.microsoft.com._For_more_information_please_go_to__http://go.microsoft.com/fwlink/?LinkId=526653._AS (mailto:linode.ip%5d._to_request_removal_from_this_list_please_forward_this_message_to_del...@messaging.microsoft.com._For_more_information_please_go_to__http://go.microsoft.com/fwlink/?LinkId=526653._AS)(1410)_[SY4AUS01FT006.eop-AUS01.prod.protection.outlook.com]/Giving_up_on_104.47.71.138./ Cheers David Bray e. da...@brayworth.com (mailto:da...@brayworth.com)