Hi, I have a Microsoft account and I can tell you that if you wish to report a fault positive Spam you have to send an email to Microsoft with the attached false positive email. Only Microsoft 365 customers can send these reports. They also give you a “report” button on their web Mail platform. As I see it, Microsoft will always maintain a strong hold on running an Email Enterprise their way.
https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/troubleshooting-mail-sent-to-office-365?view=o365-worldwide <https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/troubleshooting-mail-sent-to-office-365?view=o365-worldwide> Maybe a third party relay is the answer. Antonino Sidoti > On 4 Jun 2021, at 7:42 pm, Maarten de Vries <[email protected]> wrote: > > > On 04-06-2021 10:39, Nick Ryan wrote: >> I have this as well, I think it's Sender Reputation too - they use >> Senderscore and I know my mailservers don't send enough mails to get a >> rating. >> >> Oddly, I have no problems sending to the free hotmail & outlook addresses. >> >> I don't have a solution apart from maybe sending through a 3rd party like >> Mailgun or Sendgrid. Sendgrid does have a limited (100 emails a day) free >> tier. >> >> Regards - Nick >> >> On 04/06/2021 05:27, Antonino Sidoti wrote: >>> Hi, >>> >>> I have two OpenSMTPD servers (Sydney, Tokyo) and they are both >>> configured with correct DNS, PTR, DKIM, SPF, MTA-STS and Dmarc. I have >>> no problems sending mail to Google but with Microsoft 365 (Exchange >>> Online) when I send an email it always end up in Junk on the receivers >>> side. >>> >>> I know Microsoft may be doing some strange stuff but does anyone else >>> have this issue. I have a valid Microsoft 365 Email Account for my day >>> job and from my testing it always end up in Junk when I send mail from >>> my OpenSMTPD servers. The raw headers don’t say much on the Microsoft >>> side other than it gets SCL=5, nothing else as to why it is treated as >>> Junk. >>> >>> I also know of other people who have Microsoft 365 Email Accounts that >>> all my mail ends up in their Junk too. Can’t work this out. >>> >>> Any suggestions or tips would be appreciated. >>> >>> Thanks >>> Nino >> > > I have exactly the same problem. I even went through the hoops of signing a > digital contract with Microsoft that I'm not sending spam (multiple times), > but it does not help. I also signed up for their Junk Email Reporting > Program, but I've never received a single complaint or notification. They > don't even send DMARC reports. > > Eventually, I decided to use an external mail relay, because I really need my > email to arrive. I'm self-employed, my income depends on it. I'm still angry > over this though :/ > > I'm not 100% convinced it's the IP score though. Microsoft adds a header with > some spam check results. In my case, the header indicated no IP related score > for mail sent directly to Microsoft, or mail sent through the relay. But the > mail from the relay is not junked. > > To be specific, the `X-Forefront-Antispam-Report` header contained 'IPV:NLI' > in both cases. According to Microsoft, that means the IP has no associated > score [1]. Then again, maybe that header isn't complete. The relay certainly > sends a lot more mail than me on my own. > > Microsoft seems to be extremely aggressive against independent mail servers, > and they represent a large amount of inboxes. I wish I had a better solution > than paying someone else to relay your mail, with all associated security > risks that it brings. > > > [1] > https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/anti-spam-message-headers > > <https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/anti-spam-message-headers> > > Regards, > > Maarten > > >
