Hi, On Tue, Jan 11, 2022 at 11:21:47AM -0800, Michael Peddemors via mailop wrote: > On 2022-01-11 11:04 a.m., Mark G Thomas via mailop wrote: > >Here's an example from one ticket, however I'm more looking for whether > >there is anything I can do to facilitate improving this overall, then > >starting trying to intervene about (many!) specific tickets and IPs. I > >would be happy to help with more details off-list, if so requested. I > >also could relay suggestions or procedural instructions to our support > >group. > > > > redac...@enlogic.gr: host > > enlogic-gr.mail.protection.outlook.com[104.47.17.74] > > said: 550 5.7.511 Access denied, banned sender[172.104.233.127]. 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) > > [DB8EUR05FT065.eop-eur05.prod.protection.outlook.com] (in reply to RCPT > > TO command) > > > >Mark > > No comments on Linode spamming, but looking at this, have to comment. > > host enlogic.gr > enlogic.gr has address 172.105.85.167 > enlogic.gr mail is handled by 0 enlogic-gr.mail.protection.outlook.com > > host 172.104.233.127 > 127.233.104.172.in-addr.arpa domain name pointer extmail.enlogic.gr > > If microsoft thinks that the email server for that domain is their > infrastructure, why would they accept any email from outside MS with > that domain, if it isn't authenticated. > > The rejection message looks pretty clear.. banned sender. > > What is the address in the MAIL FROM, it looks liek @enlogic.gr?
In this specific case, the sender was reported to be an address @kentia.gr. > I don't think you would get a response quickly from MS, if they > think they are authoritive for the email domain. Anyone can put up > a PTR record or MAIL FROM forging a domain on their networks. I get ... Got it. I can look at other cases, which may have other issues. This was an example I snagged, but I'm sure there are other different scenarios. Something changed and now we have this flood of tickets, many from people who have been e-mailing successfully to MS recipients for a long time, until a few weeks ago when something changed. Is there anything I can do to help our support people in handling this? Mark -- Mark G. Thomas <m...@misty.com>, KC3DRE _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
