Re: Microsoft silently discarding emails after recepit

2018-01-07 Thread Viktor Dukhovni
> On Jan 8, 2018, at 2:22 AM, Yuval Levy wrote: > >> Complete absence of Received: headers is likely to increase your >> spam score. > > What would you suggest instead? You can mask the address with 127.0.0.1, and otherwise keep the header as-is. Mind you, I would not expect Microsoft to pay

Re: Microsoft silently discarding emails after recepit

2018-01-07 Thread Yuval Levy
On 2018-01-08 02:20 AM, Viktor Dukhovni wrote: > Complete absence of Received: headers is likely to increase your > spam score. What would you suggest instead?

Re: Microsoft silently discarding emails after recepit

2018-01-07 Thread Viktor Dukhovni
> On Jan 8, 2018, at 1:56 AM, Yuval Levy wrote: > > /etc/postfix/headers_checks > > /^Received:/ IGNORE Complete absence of Received: headers is likely to increase your spam score. -- Viktor.

Re: Microsoft silently discarding emails after recepit

2018-01-07 Thread Yuval Levy
On 2018-01-07 09:32 AM, Stephen Satchell wrote: > After reading all the responses, and reading the reference links about > Microsoft Smartscreen, I have a really stupid question: Not stupid at all. I'll limit my answer because of the off-topic nature of the question. Let me know if you are inter

Re: Microsoft silently discarding emails after recepit

2018-01-07 Thread Yuval Levy
On 2018-01-08 12:48 AM, soumi...@iitk.ac.in wrote: > It seems my issue is solved for now. OK MS support. Happy to read your issue is solved, and thank you for sharing the reply from Microsoft. > --- > Our investigation has determined that there are no active blocks against > thes

Re: Microsoft silently discarding emails after recepit

2018-01-07 Thread Yuval Levy
On 2018-01-07 04:32 AM, Peter wrote: > So to put it simply, they're basically saying that their black box > thinks that your IP(s) are sending SPAM. That's not how I read my conversation with them. My understanding based on their explanations and their advice on how to fix the problem is that the

Re: Microsoft silently discarding emails after recepit

2018-01-07 Thread soumi...@iitk.ac.in
Thanks to this list and its good members, I got support contact easily,along with lots of helpful information. It seems my issue is solved for now. OK MS support. I have few users, who are paid customers of MS. Possibly, they also lodged the issue with MS. But it is still bad for a reputed organ

Re: Microsoft silently discarding emails after recepit

2018-01-07 Thread Stroller
> On 7 Jan 2018, at 19:15, Yuval Levy wrote: > … > My understanding of Microsoft's reply is that there is nothing wrong > with the server / IP / reputation. Their reply point to a content > filter at work. Because they say it was determined by SmartScreen™? Is the server's IP / reputation ass

Re: Microsoft silently discarding emails after recepit

2018-01-07 Thread Richard Damon
On 1/7/18 6:30 PM, Stephen Satchell wrote: On 01/07/2018 03:09 PM, D'Arcy Cain wrote: On 01/07/2018 01:15 PM, Yuval Levy wrote: would detract from the main issue which is "silently discarded emails," I behavior that in my view is plain wrong and threatens the usefulness of email more than a few

Re: Microsoft silently discarding emails after recepit

2018-01-07 Thread Stephen Satchell
On 01/07/2018 03:09 PM, D'Arcy Cain wrote: On 01/07/2018 01:15 PM, Yuval Levy wrote: would detract from the main issue which is "silently discarded emails," I behavior that in my view is plain wrong and threatens the usefulness of email more than a few false positive spam messages. Absolutely.

Re: Microsoft silently discarding emails after recepit

2018-01-07 Thread Viktor Dukhovni
> On Jan 7, 2018, at 6:09 PM, D'Arcy Cain wrote: > > Absolutely. There are only two things that an MTA should do with email, > deliver it or bounce it. Silently dropping is plain wrong. There's a reasonable exception for malware. Detection of malware has a much lower FP rate than detection

Re: Microsoft silently discarding emails after recepit

2018-01-07 Thread D'Arcy Cain
On 01/07/2018 01:15 PM, Yuval Levy wrote: > would detract from the main issue which is "silently discarded emails," > I behavior that in my view is plain wrong and threatens the usefulness > of email more than a few false positive spam messages. Absolutely. There are only two things that an MTA s

Re: Microsoft silently discarding emails after recepit

2018-01-07 Thread Yuval Levy
On 2018-01-07 04:08 AM, Peter wrote: > simply meant that your complaint is not the first one I've seen. OK ;-) >> * Are you sending mail from a new IP? not applicable > > How is this not applicable? I've operated that IP for the past four years, it is older than my legal career. I realize th

Re: Microsoft silently discarding emails after recepit

2018-01-07 Thread Yuval Levy
Thank you for the useful and practical advice. On 2018-01-07 03:57 AM, Dominic Raferd wrote: > On 07/01/2018 06:29, Mike Guelfi wrote: >> Our alternative was always to just set relays for "poorly behaved" >> domains > > Example (using sendgrid for relaying): > > /etc/postfix/main.cf: > ... > tran

Re: Microsoft silently discarding emails after recepit

2018-01-07 Thread Richard Damon
On 1/7/18 3:03 PM, Viktor Dukhovni wrote: On Jan 7, 2018, at 2:15 PM, Yuval Levy wrote: My understanding of Microsoft's reply is that there is nothing wrong with the server / IP / reputation. Their reply point to a content filter at work. There are multiple factors that go into black-box de

Re: Microsoft silently discarding emails after recepit

2018-01-07 Thread Viktor Dukhovni
> On Jan 7, 2018, at 2:15 PM, Yuval Levy wrote: > > My understanding of Microsoft's reply is that there is nothing wrong > with the server / IP / reputation. Their reply point to a content > filter at work. There are multiple factors that go into black-box decisions by spam detection engines.

Re: Microsoft silently discarding emails after recepit

2018-01-07 Thread Yuval Levy
On 2018-01-07 01:07 AM, Viktor Dukhovni wrote: > Perhaps your IP address is part of a /20 or similar block in which > your "network neighbours" send enough spam to tarnish its reputation. I have just sent to the list the complete thread with Microsoft until now, hopefully it properly replied to th

Re: SRX1410787439ID - Re: Reported deliverability problem to Outlook.com SRX1410787439ID

2018-01-07 Thread Yuval Levy
Below is the last email I received from Microsoft regarding the silently discarded emails. It neatly summarizes the whole interaction, except the first automated reply that I received on submitting their form. I hope I managed to attach it to the appropriate discussion thread, if not, please acce

Re: Microsoft silently discarding emails after recepit

2018-01-07 Thread Stephen Satchell
On 01/06/2018 09:11 PM, Yuval Levy wrote: On 2018-01-06 05:42 PM, Yuval Levy wrote: I have contacted Outlook.com Deliverability Support and will report back to the list if the results from the interaction are of public interest. After reading all the responses, and reading the reference links

Re: Microsoft silently discarding emails after recepit

2018-01-07 Thread Peter
On 07/01/18 18:11, Yuval Levy wrote: > I am still digesting the response received. In essence, they say that > they "have reviewed [my] IP(s) (XXX.XXX.XXX.XXX) and determined that > messages are being filtered based on the recommendations of the > SmartScreen® Filter. You might be interested in t

Re: Microsoft silently discarding emails after recepit

2018-01-07 Thread Peter
On 07/01/18 11:42, Yuval Levy wrote: > On 2018-01-06 02:19 AM, Peter wrote: >> It's not the first time I've seen MS accused of dropping mail. > > Mine (first post in thread) were not accusations. They were > corroborated test results. I understand that being a lawyer the word "accused" probably

Re: Microsoft silently discarding emails after recepit

2018-01-07 Thread Dominic Raferd
On 07/01/2018 05:11, Yuval Levy wrote: On 2018-01-06 05:42 PM, Yuval Levy wrote: I am still digesting the response received. In essence, they say that they "have reviewed [my] IP(s) (XXX.XXX.XXX.XXX) and determined that messages are being filtered based on the recommendations of the SmartScreen®