Re: Microsoft silently discarding emails after recepit

On 2018-01-09 10:25 AM, Bill Cole wrote: > A better place for this discussion would be the MailOps list, where a > broader variety of mail admins *INCLUDING MS EMPLOYEES* take part, and > this problem class has been discussed multiple times. See >

Re: Microsoft silently discarding emails after recepit

> On 9 Jan 2018, at 15:25, Bill Cole > wrote: > > This sort of mail -- a PDF attached to a brief text message -- describes >90% > of the spam that has made it through my spam filters in the past 6 months, … > > … the most common sorts of FPs are

Re: Microsoft silently discarding emails after recepit

A better place for this discussion would be the MailOps list, where a broader variety of mail admins *INCLUDING MS EMPLOYEES* take part, and this problem class has been discussed multiple times. See https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop With that said, a couple of

Re: Microsoft silently discarding emails after recepit

Dominic Raferd wrote: Otherwise, the formatting of your DKIM record in DNS seems weird (try: dig +short 201605sfinacom._domainkey.sfina.com TXT); even if technically valid the intermediate quotes may be influencing 'SmartScreen'. Strictly speaking that result does not in fact contain quotes

Re: Microsoft silently discarding emails after recepit

On 01/07/2018 05:25 PM, Viktor Dukhovni wrote: >> 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

Re: Microsoft silently discarding emails after recepit

On 08/01/18 19:56, Yuval Levy wrote: > 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

Re: Microsoft silently discarding emails after recepit

> 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

Re: Microsoft silently discarding emails after recepit

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

> 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

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

Re: Microsoft silently discarding emails after recepit

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 >

Re: Microsoft silently discarding emails after recepit

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

Re: Microsoft silently discarding emails after recepit

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

Re: Microsoft silently discarding emails after recepit

> 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

Re: Microsoft silently discarding emails after recepit

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

Re: Microsoft silently discarding emails after recepit

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.

Re: Microsoft silently discarding emails after recepit

> 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

Re: Microsoft silently discarding emails after recepit

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

Re: Microsoft silently discarding emails after recepit

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

Re: Microsoft silently discarding emails after recepit

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: > ... >

Re: Microsoft silently discarding emails after recepit

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

Re: Microsoft silently discarding emails after recepit

> 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

Re: Microsoft silently discarding emails after recepit

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

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

Re: Microsoft silently discarding emails after recepit

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

Re: Microsoft silently discarding emails after recepit

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®

Re: Microsoft silently discarding emails after recepit

Our alternative was always to just set relays for "poorly behaved" domains to go through the ISP email servers. It was slower but more reliable since the ISP had an artificially inflated reputation and more time to complain when it's email was.blocked.

Re: Microsoft silently discarding emails after recepit

> On Jan 7, 2018, at 12:11 AM, Yuval Levy wrote: > > Bottom line, I think the problem is more ethical than technical. Unlikely. Far more likely your problem does not rise to the level of negative impact for Microsoft's customer base at large for them to attempt to tune

Re: Microsoft silently discarding emails after recepit

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. I am still digesting the response received. In essence, they say that they "have reviewed [my] IP(s)

Re: Microsoft silently discarding emails after recepit

> On 6 Jan 2018, at 22:42, 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. In

Re: Microsoft silently discarding emails after recepit

TL;DR: IF YOU ARE STILL EXPERIENCING DELIVERABILITY ISSUES, CONTACT OUTLOOK.COM DELIVERABILITY SUPPORT: I have contacted Outlook.com Deliverability Support and will report back to the list if the results from the interaction are of public interest.

Re: Microsoft silently discarding emails after recepit

On 06/01/18 19:48, soumi...@iitk.ac.in wrote: > I am facing the same issue with hotmail, where Microsoft possibly > discards all mails with out showing ant error or reason for one of my > outgoing relay. It's not the first time I've seen MS accused of dropping mail. I suggest you have a look at:

Re: Microsoft silently discarding emails after recepit

I am facing the same issue with hotmail, where Microsoft possibly discards all mails with out showing ant error or reason for one of my outgoing relay. hotmail users are not receiving the mail. May be microsoft has a very tight TLS security check (which work with all other domains).

Microsoft silently discarding emails after recepit

Hello list, I am relatively confident that the topic below has already been discussed somewhere, but I was not able to find anything in this list's archives nor on the internet at large and I have not been able to solve the issue: Microsoft's outlook.com seems to silently discard emails that I