Re: [dmarc-discuss] DSN from microsoftonline.com

2017-12-20 Thread Roland Turner via dmarc-discuss
On 21/12/17 05:43, A. Schulze via dmarc-discuss wrote: Am 20.12.2017 um 18:44 schrieb Roland Turner via dmarc-discuss: What HELO/EHLO hostname is being presented? I'm out of office for the next days and have no access to that data. From what I remember it's the hostname of the sending

Re: [dmarc-discuss] DSN from microsoftonline.com

2017-12-20 Thread Brandon Long via dmarc-discuss
On Wed, Dec 20, 2017 at 1:48 PM A. Schulze via dmarc-discuss < dmarc-discuss@dmarc.org> wrote: > > > Am 20.12.2017 um 18:44 schrieb Roland Turner via dmarc-discuss: > > What HELO/EHLO hostname is being presented? > > I'm out of office for the next days and have no access to that data. > From what

Re: [dmarc-discuss] DSN from microsoftonline.com

2017-12-20 Thread A. Schulze via dmarc-discuss
Am 20.12.2017 um 18:44 schrieb Roland Turner via dmarc-discuss: > What HELO/EHLO hostname is being presented? I'm out of office for the next days and have no access to that data. >From what I remember it's the hostname of the sending system, a rDNS related >to Microsoft. Why do you think, the

Re: [dmarc-discuss] DSN from microsoftonline.com

2017-12-20 Thread Roland Turner via dmarc-discuss
What HELO/EHLO hostname is being presented? - Roland On 20/12/17 21:14, A. Schulze via dmarc-discuss wrote: Hello, we use to send a portion of messages requesting delivery status notification on success. In general

[dmarc-discuss] DSN from microsoftonline.com

2017-12-20 Thread A. Schulze via dmarc-discuss
Hello, we use to send a portion of messages requesting delivery status notification on success. In general DSN messages tend to not pass DMARC very often, but as we request DSN on success explicit we monitor them. Now I noticed a pattern on DSN sent from Microsoft. RFC5321.MailFrom <>

[dmarc-discuss] DMARC support on Exchange Servers and reporting back to senders

2017-12-20 Thread Ivan Kovachev via dmarc-discuss
Hello all, as far as I am aware, based on research, On-premise Exchange Servers do not support DMARC by default and third-party plugins need to be installed. I was wondering if anyone has already done this on their exchange server and if they could give some suggestion on the products they