Re: [mailop] Microsoft 365 send spam via high-risk delivery pool (instead of block it)

2022-09-28 Thread Hans-Martin Mosner via mailop
Am 29.09.22 um 08:19 schrieb Alessio Cecchi via mailop: I think it is not a correct behavior, if you can identify a message as unwanted why do you have to send it anyway? Often such identification isn't 100% certain (in fact, no spam/ham distinction can ever be 100% correct). Of course, if

[mailop] Microsoft 365 send spam via high-risk delivery pool (instead of block it)

2022-09-28 Thread Alessio Cecchi via mailop
Hi, on Microsoft 365 documentations site I found an article where you can read: "[...] all outbound messages from Microsoft 365 datacenter servers that are determined to be spam are sent through the high-risk delivery pool." https://learn.microsoft.com/en-us/microsoft-365/security/office-365-

Re: [mailop] DMARC Stockholm syndrome, Reject vs spam folders

2022-09-28 Thread Dave Crocker via mailop
On 9/19/2022 11:59 AM, Brandon Long wrote: On Sat, Sep 17, 2022 at 11:10 AM Dave Crocker via mailop wrote: On 9/16/2022 7:35 PM, Brandon Long via mailop wrote: > So, while AOL & Yahoo were the vanguard for mass consumer providers, the problems were already being experienced by ma

Re: [mailop] Unexpected SPF rejections from Gmail et al

2022-09-28 Thread Russell Clemings via mailop
Thanks for the responses, on and off list. I think we found the problem -- outdated reports for an SPF problem that was fixed more than a month ago. On Wed, Sep 28, 2022 at 11:23 AM Russell Clemings wrote: > We're getting rejects from Gmail (mostly) claiming an SPF failure, but I > can't see any

Re: [mailop] DMARC Stockholm syndrome, Reject vs spam folders

2022-09-28 Thread Brandon Long via mailop
On Wed, Sep 28, 2022 at 11:39 AM Dave Crocker wrote: > > On 9/19/2022 11:59 AM, Brandon Long wrote: > > > > On Sat, Sep 17, 2022 at 11:10 AM Dave Crocker via mailop < > mailop@mailop.org> wrote: > >> >> On 9/16/2022 7:35 PM, Brandon Long via mailop wrote: >> > > So, while AOL & Yahoo were the van

Re: [mailop] Unexpected SPF rejections from Gmail et al

2022-09-28 Thread Anne Mitchell via mailop
Russell, > We're getting rejects from Gmail (mostly) claiming an SPF failure, but I > can't see any problem. > > Here's an example of the rejection notice: > > Last error: 5.0.0 5.3.0 - Other mail system problem 550-'5.7.26 > This message does not pass authentication checks > (SPF and DKIM both

[mailop] Unexpected SPF rejections from Gmail et al

2022-09-28 Thread Russell Clemings via mailop
We're getting rejects from Gmail (mostly) claiming an SPF failure, but I can't see any problem. Here's an example of the rejection notice: Last error: 5.0.0 5.3.0 - Other mail system problem 550-'5.7.26 This message does not pass authentication checks (SPF and DKIM both\n5.7.26 do not pass). SPF