Re: [mailop] [External] Google Workspace Account Deliverability Issues

2022-07-25 Thread Jenny Nespola via mailop
Thank you all so much! Brandon, in this case, Gmail is marking it as spam, as well as a couple more. I will take back the suggestions you provided and have them look a little more closely at what they are sending. To your point, it is one sender off the same domain. They tested by sending the same

[mailop] Weirdly formatted messages from AOL Webmail or Yahoo

2022-07-25 Thread WIlliam Fisher via mailop
I'm tracking an issue where it looks like either AOL or Yahoo is inserting an extra line break in the middle of the headers and throwing off some client parsing. Has anyone else seen similar? ___ mailop mailing list mailop@mailop.org https://list.m

Re: [mailop] Microsoft Sending DMARC Reports From IP In SBL

2022-07-25 Thread Slavko via mailop
Dňa 25. júla 2022 20:25:37 UTC používateľ Matt Corallo via mailop napísal: >Given the general signal:noise ratio of the SBL lists, and that looking up >relays in SBL does catch some nontrivl amount of spam, I'd argue its the other >rules that triggered on this mail that are not properly tuned,

Re: [mailop] Microsoft Sending DMARC Reports From IP In SBL

2022-07-25 Thread Matt Corallo via mailop
On 7/25/22 4:50 PM, Bill Cole via mailop wrote: On 2022-07-25 at 15:33:13 UTC-0400 (Mon, 25 Jul 2022 15:33:13 -0400) There is no useful model for "authenticaton checks" on Received headers. I believe we're on the same page here. No one is doing "authentication checks" on Received headers, to

Re: [mailop] Microsoft Sending DMARC Reports From IP In SBL

2022-07-25 Thread Matt Corallo via mailop
On 7/25/22 4:31 PM, Al Iverson via mailop wrote: On Mon, Jul 25, 2022 at 3:25 PM Matt Corallo wrote: On 7/25/22 3:58 PM, Al Iverson via mailop wrote: On Mon, Jul 25, 2022 at 2:37 PM Matt Corallo via mailop wrote: I don't believe SA does authentication checks on all Received: lines, no, it

Re: [mailop] Microsoft Sending DMARC Reports From IP In SBL

2022-07-25 Thread Bill Cole via mailop
On 2022-07-25 at 15:33:13 UTC-0400 (Mon, 25 Jul 2022 15:33:13 -0400) Matt Corallo via mailop is rumored to have said: On 7/20/22 3:19 PM, Mark Milhollan via mailop wrote: On Tue, 19 Jul 2022, Matt Corallo wrote: Relevant headers below, but note that its actually the very first Received heade

Re: [mailop] Microsoft Sending DMARC Reports From IP In SBL

2022-07-25 Thread Al Iverson via mailop
On Mon, Jul 25, 2022 at 3:25 PM Matt Corallo wrote: > On 7/25/22 3:58 PM, Al Iverson via mailop wrote: > > On Mon, Jul 25, 2022 at 2:37 PM Matt Corallo via mailop > > wrote: > > > >> I don't believe SA does authentication checks on all Received: lines, no, > >> it only runs them through > >> the

Re: [mailop] Microsoft Sending DMARC Reports From IP In SBL

2022-07-25 Thread Matt Corallo via mailop
On 7/25/22 3:58 PM, Al Iverson via mailop wrote: On Mon, Jul 25, 2022 at 2:37 PM Matt Corallo via mailop wrote: I don't believe SA does authentication checks on all Received: lines, no, it only runs them through the various DNSBLs. I don't see why "you relayed mail from something in a DNSB

Re: [mailop] Microsoft Sending DMARC Reports From IP In SBL

2022-07-25 Thread Al Iverson via mailop
On Mon, Jul 25, 2022 at 2:37 PM Matt Corallo via mailop wrote: > I don't believe SA does authentication checks on all Received: lines, no, it > only runs them through > the various DNSBLs. I don't see why "you relayed mail from something in a > DNSBL" should be avoided > as one of the many sign

Re: [mailop] So, Sendgrid / Zoom, planning on actually doing anything about webinar spams?

2022-07-25 Thread Luis E . Muñoz via mailop
On 25 Jul 2022, at 11:00, Laura Atkins via mailop wrote: >> In the current state of affairs, ESPs presume they know more than the >> receivers, so they keep trying to send. Since the ESPs essentially disregard >> the 5xx codes using the line of reasoning that you described, > > The ESPs are not

Re: [mailop] Microsoft Sending DMARC Reports From IP In SBL

2022-07-25 Thread Matt Corallo via mailop
On 7/20/22 3:19 PM, Mark Milhollan via mailop wrote: On Tue, 19 Jul 2022, Matt Corallo wrote: Relevant headers below, but note that its actually the very first Received header that matches SBL-CSS. You are via Spamassassin doing what Google does and I guess at least some other Spamassassin us

Re: [mailop] [External] Google Workspace Account Deliverability Issues

2022-07-25 Thread Brandon Long via mailop
Any paid workspace account should have access to customer support, either directly or through their reseller. That said, I agree, there probably isn't that much customer support can do looking at the outbound side... and investigating the inbound side of another customer is not likely ... in gener

Re: [mailop] [External] Google Workspace Account Deliverability Issues

2022-07-25 Thread Kevin A. McGrail via mailop
On 7/25/2022 1:46 PM, Jenny Nespola via mailop wrote: I was approached today by a potential client asking why one account in their Workspace is bulking, while none of the others are. Granted that one user could be generating complaints, but (from what was shared with me) it doesn't seem to be t

[mailop] Google Workspace Account Deliverability Issues

2022-07-25 Thread Jenny Nespola via mailop
Hi All, I was approached today by a potential client asking why one account in their Workspace is bulking, while none of the others are. Granted that one user could be generating complaints, but (from what was shared with me) it doesn't seem to be the case. In addition it seems that sporadically o

Re: [mailop] So, Sendgrid / Zoom, planning on actually doing anything about webinar spams?

2022-07-25 Thread Laura Atkins via mailop
> On 25 Jul 2022, at 15:49, Luis E. Muñoz via mailop wrote: > > On 24 Jul 2022, at 4:38, Laura Atkins via mailop wrote: > >> We’re trying to pull ‘what to do with a completely different message that >> might be sent in the future, possibly by a completely different sender' out >> of a signal

Re: [mailop] So, Sendgrid / Zoom, planning on actually doing anything about webinar spams?

2022-07-25 Thread Luis E . Muñoz via mailop
On 23 Jul 2022, at 4:17, Laura Atkins via mailop wrote: > I agree, it would have been nice if the authors of 821 and 822 had considered > this use case and provided us with semantics. Unfortunately, the semantics > described in those RFCs (and their successors) only talk about what to do > with

Re: [mailop] So, Sendgrid / Zoom, planning on actually doing anything about webinar spams?

2022-07-25 Thread Luis E . Muñoz via mailop
On 24 Jul 2022, at 4:38, Laura Atkins via mailop wrote: > We’re trying to pull ‘what to do with a completely different message that > might be sent in the future, possibly by a completely different sender' out > of a signalling system that was never designed to convey that signal. And, > yes, e

Re: [mailop] So, Sendgrid / Zoom, planning on actually doing anything about webinar spams?

2022-07-25 Thread Luis E . Muñoz via mailop
On 24 Jul 2022, at 22:09, Ángel via mailop wrote: > Now, if we instead have the hash bbbaa1af939a01d0e22286c63827d936 > If you can hash multiple emails until finding who that refers to, then > it's equivalent to the email. But if it is also the hash of other email > addresses jsmith@hotmail.exampl

Re: [mailop] So, Sendgrid / Zoom, planning on actually doing anything about webinar spams?

2022-07-25 Thread Dave Crocker via mailop
On 7/23/2022 1:17 AM, Laura Atkins via mailop wrote: On 23 Jul 2022, at 05:18, Bill Cole via mailop wrote: On 2022-07-22 at 12:45:18 UTC-0400 (Fri, 22 Jul 2022 12:45:18 -0400) Luis E. Muñoz via mailop is rumored to have said: On 22 Jul 2022, at 11:49, Laura Atkins via mailop wrote: I ques

Re: [mailop] So, Sendgrid / Zoom, planning on actually doing anything about webinar spams?

2022-07-25 Thread Jaroslaw Rafa via mailop
Dnia 25.07.2022 o godz. 04:09:14 Ángel via mailop pisze: > > Now, if we instead have the hash bbbaa1af939a01d0e22286c63827d936 > If you can hash multiple emails until finding who that refers to, then > it's equivalent to the email. IANAL as well, but if you want to hash multiple emails to find th