Maybe they are reading this thread and trying to patch their setup, and we are reading them while they do it. This is not exactly a post-mortem.
Sent from ProtonMail Mobile On Wed, Nov 1, 2017 at 4:07 AM, Bill Cole <sausers-20150...@billmail.scconsult.com> wrote: > On 31 Oct 2017, at 7:00 (-0400), Rupert Gallagher wrote: > Addenda: > >> > From: Invoicing > >> unbound-host -rvD canadianchemistry.ca > > canadianchemistry.ca has address 168.144.155.97 (insecure) > > canadianchemistry.ca has no IPv6 address (insecure) > canadianchemistry.ca > mail is handled by 0 > canadianchemistry-ca.mail.protection.outlook.com. > (insecure) > >> Received: from .... not from Microsoft > > SPF should fail > hard here. No. Assuming that the SMTP sender domain was canadianchemistry.ca, > there is no way to check SPF because it has two 'v=spf1' TXT records. -- Bill > Cole b...@scconsult.com or billc...@apache.org (AKA @grumpybozo and many > *@billmail.scconsult.com addresses) Currently Seeking Steady Work: > https://linkedin.com/in/billcole @canadianchemistry.ca>
