[mailop] Complete set of rules for delivering to t-online.de ?

2021-04-08 Thread Tom Perrine via mailop
Would someone from t-online.de please publish the COMPLETE and DEFINITEIVE set of ALL rules for sending to your customers? Preferably on your web site instead of in mailops, so that everyone can see them? I’ve seen bits and pieces here, with many unanswered questions. It’s not at all clear what

Re: [mailop] DKIM+DMARC at t-online.de (Deutsche Telekom's ISP branche)

2021-04-08 Thread Matt Gilbert via mailop
Hi Florian, Do you have this information posted anywhere online such as in a blog post or support article? The information shared in this mailing list is a little disjointed and difficult to follow, so having an article that we can reference that includes the precise requirements you're establ

Re: [mailop] DKIM+DMARC at t-online.de (Deutsche Telekom's ISP branche)

2021-04-08 Thread John Capo via mailop
On Thu, April 8, 2021 05:38, Lukas Tribus via mailop wrote: > On Thu, 8 Apr 2021 at 10:27, Jaroslaw Rafa via mailop > wrote: > >> >> Dnia 7.04.2021 o godz. 17:26:45 John Capo via mailop pisze: >> >>> >>> These are the same folks that required that reverse DNS for my >>> unused, unassigned, not a

Re: [mailop] DKIM+DMARC at t-online.de (Deutsche Telekom's ISP branche)

2021-04-08 Thread Lukas Tribus via mailop
On Thu, 8 Apr 2021 at 10:27, Jaroslaw Rafa via mailop wrote: > > Dnia 7.04.2021 o godz. 17:26:45 John Capo via mailop pisze: > > > > These are the same folks that required that reverse DNS for my > > unused, unassigned, not assigned to an interface, not reachable, IP > > addresses, be to their li

Re: [mailop] DKIM+DMARC at t-online.de (Deutsche Telekom's ISP branche)

2021-04-08 Thread Jaroslaw Rafa via mailop
Dnia 7.04.2021 o godz. 17:26:45 John Capo via mailop pisze: > > These are the same folks that required that reverse DNS for my > unused, unassigned, not assigned to an interface, not reachable, IP > addresses, be to their liking before they would accept mail from my > new address space. unassigne

Re: [mailop] DKIM+DMARC at t-online.de (Deutsche Telekom's ISP branche)

2021-04-08 Thread Jaroslaw Rafa via mailop
Dnia 8.04.2021 o godz. 06:43:21 Florian.Kunkel--- via mailop pisze: > > > This sounds like it would break variable envelope return path > > techniques, unless a mailing list replaces the 5322.from, needlessly > > breaking a valid DKIM signature from the original sender. > > so, no, VERP should b