Re: [mailop] DMARC: Anyone using pct=n with n !=0 and n !=100?

2021-08-24 Thread A. Schulze via mailop
Am 23.08.2021 um 19:26 schrieb John R Levine: yes, I mean the daily aggregated reports, we review them at all once a month I'm confused.  Since the pct doesn't affect the reports, what's the point? Once you get the number of failures low enough, just set pct=100 and be done with it. sorry,

Re: [mailop] DMARC: Anyone using pct=n with n !=0 and n !=100?

2021-08-23 Thread John R Levine via mailop
On Mon, 23 Aug 2021, A. Schulze wrote: Am 21.08.2021 um 20:30 schrieb John Levine: It appears that A. Schulze via mailop said: We review the reports once per month and inverstigate findings Depending on the current situation we plan to increase pct= If you mean the DMARC aggregate and failur

Re: [mailop] DMARC: Anyone using pct=n with n !=0 and n !=100?

2021-08-22 Thread A. Schulze via mailop
Am 21.08.2021 um 20:30 schrieb John Levine: It appears that A. Schulze via mailop said: We review the reports once per month and inverstigate findings Depending on the current situation we plan to increase pct= If you mean the DMARC aggregate and failure reports, are you aware that the pct=N

Re: [mailop] DMARC: Anyone using pct=n with n !=0 and n !=100?

2021-08-22 Thread Ralph Seichter via mailop
* Jaroslaw Rafa via mailop: > No RFC *obligates* any recipient to honor DMARC *at all*. Obviously, so why the emphasis? RFCs have only ever been attempts to establish a reasonable consensus, or as Captain Barbossa put it, "a RFC is more what you'd call 'guidelines' than actual rules." > You cann

Re: [mailop] DMARC: Anyone using pct=n with n !=0 and n !=100?

2021-08-22 Thread Jaroslaw Rafa via mailop
Dnia 22.08.2021 o godz. 13:46:40 Ralph Seichter via mailop pisze: > > Personally, I wonder what is the worse type of recipient: Those ignoring > "pct=" and applying the policy to all emails or those not applying > policies at all. No RFC *obligates* any recipient to honor DMARC *at all*. Nobody h

Re: [mailop] DMARC: Anyone using pct=n with n !=0 and n !=100?

2021-08-22 Thread Ralph Seichter via mailop
* Antonie Popovic via mailop: > Sorry to break it to you, but the bad news about the pct tag is that > not everyone respects it. Indeed. In the case of DMARC, the receiving side is obviously always the one to decide if (and which) actions are taken based on DMARC policies. Personally, I wonder w

Re: [mailop] DMARC: Anyone using pct=n with n !=0 and n !=100?

2021-08-22 Thread Alessandro Vesely via mailop
There are (a minority of?) providers who don't respect the pct= tag, or treat it badly, as Toni says. There are also users who misunderstand its meaning (pct=200). Finally, some people don't believe in the efficiency of random sampling. Based on these facts the dmarc-ietf WG wants to drop p

Re: [mailop] DMARC: Anyone using pct=n with n !=0 and n !=100?

2021-08-21 Thread Antonie Popovic via mailop
Hi guys, Sorry to break it to you, but the bad news about the pct tag is that not everyone respects it. No matter what percentage you have some providers will just apply your policy to the entire email traffic. Have a great weekend, Toni On Sat, 21 Aug 2021, 19:38 A. Schulze via mailop wrote:

Re: [mailop] DMARC: Anyone using pct=n with n !=0 and n !=100?

2021-08-21 Thread John Levine via mailop
It appears that A. Schulze via mailop said: >Am 20.08.2021 um 04:48 schrieb John Levine via mailop: >>> It's mostly to assuage the fears of large senders that all their mail will >>> be trashed if they've set up something wrong, ime. They can set it to 20% >>> and observe the consequences "just t

Re: [mailop] DMARC: Anyone using pct=n with n !=0 and n !=100?

2021-08-21 Thread A. Schulze via mailop
Am 20.08.2021 um 04:48 schrieb John Levine via mailop: It's mostly to assuage the fears of large senders that all their mail will be trashed if they've set up something wrong, ime. They can set it to 20% and observe the consequences "just to be sure" before going to 100%. That was the plan. D

Re: [mailop] DMARC: Anyone using pct=n with n !=0 and n !=100?

2021-08-20 Thread Zack Aab via mailop
>Do you know anyone who actually does that? Our clients do when we set them up with DMARC. *Zack Aab* (He/Him) Deliverability, Tech Lead, Trendline Interactive *O* +1 (512) 717-4097 <+15127174097> | *C* +1 (404) 317-6729 <+14043176729> | *W* trendlinei.com

Re: [mailop] DMARC: Anyone using pct=n with n !=0 and n !=100?

2021-08-20 Thread Alessandro Vesely via mailop
On Thu 19/Aug/2021 18:22:30 +0200 Jesper wrote: What do domain owners expect from an intermediate value of pct=? [...] Those who removed the DMARC record probably got more fail-reports than expected and panicked. Uh, right... Perhaps they thought deleting records spreads quicker than changi

Re: [mailop] DMARC: Anyone using pct=n with n !=0 and n !=100?

2021-08-19 Thread Faisal Misle via mailop
All of my customers do. We have them ramp up in their policy slowly over 4ish weeks to see if any missed sources get quarantined. On Thu, Aug 19, 2021 at 9:48 PM, John Levine via mailop wrote: > It appears that Zack Aab via mailop said: >> >>It's mostly to assuage the fears of large senders t

Re: [mailop] DMARC: Anyone using pct=n with n !=0 and n !=100?

2021-08-19 Thread John Levine via mailop
It appears that Zack Aab via mailop said: > >It's mostly to assuage the fears of large senders that all their mail will >be trashed if they've set up something wrong, ime. They can set it to 20% >and observe the consequences "just to be sure" before going to 100%. That was the plan. Do you know

Re: [mailop] DMARC: Anyone using pct=n with n !=0 and n !=100?

2021-08-19 Thread Zack Aab via mailop
It's mostly to assuage the fears of large senders that all their mail will be trashed if they've set up something wrong, ime. They can set it to 20% and observe the consequences "just to be sure" before going to 100%. *Zack Aab* (He/Him) Deliverability, Tech Lead, Trendline Interactive *O* +1 (512

Re: [mailop] DMARC: Anyone using pct=n with n !=0 and n !=100?

2021-08-19 Thread John Levine via mailop
It appears that Alessandro Vesely via mailop said: >Hi all, > >I've seen a few DMARC records having pct=20 or similar. At a later >time some of those domains evolved to pct=100, other removed the DMARC >record completely. I'm not clear what is the intended use of such values. > >What do domain

Re: [mailop] DMARC: Anyone using pct=n with n !=0 and n !=100?

2021-08-19 Thread Jesper via mailop
> What do domain owners expect from an intermediate value of pct=? https://dmarcian.com/pct-tag/ So, if there are no issues - raise to 100 (or remove pct). Those who removed the DMARC record probably got more fail-reports than expected and panicked. __

Re: [mailop] DMARC: Anyone using pct=n with n !=0 and n !=100?

2021-08-19 Thread Ralph Seichter via mailop
* Alessandro Vesely via mailop: > I've seen a few DMARC records having pct=20 or similar. At a later > time some of those domains evolved to pct=100, other removed the DMARC > record completely. I'm not clear what is the intended use of such values. > > What do domain owners expect from an inte

[mailop] DMARC: Anyone using pct=n with n !=0 and n !=100?

2021-08-19 Thread Alessandro Vesely via mailop
Hi all, I've seen a few DMARC records having pct=20 or similar. At a later time some of those domains evolved to pct=100, other removed the DMARC record completely. I'm not clear what is the intended use of such values. What do domain owners expect from an intermediate value of pct=? Anyon