Re: [mailop] Seeking Clarity on Office 365 Error Message

2017-06-13 Thread Todd Herr
On Tue, Jun 13, 2017 at 5:48 PM, Michael Wise wrote: > Need a bit more detail. Was there an AS(###) after it? > ​Hi Michael, and thanks for replying. No, there's no AS(###) after it, at least nothing in our logs like that. Just "550 5.4.1 [xxx@yyy.z]: Recipient address rejected: Ac

Re: [mailop] Seeking Clarity on Office 365 Error Message

2017-06-13 Thread Michael Wise via mailop
Need a bit more detail. Was there an AS(###) after it? Aloha, Michael. -- Sent from my Windows Phone From: Todd Herr<mailto:todd.h...@sparkpost.com> Sent: ‎6/‎13/‎2017 2:43 PM To: mailop@mailop.org<mailto:mailop@mailop.org> Subject: [mailop] Seekin

[mailop] Seeking Clarity on Office 365 Error Message

2017-06-13 Thread Todd Herr
Hello. I'm wondering if there's anyone here who can point me to a definitive answer on the meaning of the following error message, seen when sending to an Office 365 hosted domain: 550 5.4.1 ...@... Recipient address rejected: Access denied [DM3NAM06FT012.Eop-nam06.prod.protection.outlook.com]