Re: [mailop] DKIM validity period

2023-12-20 Thread Gellner, Oliver via mailop
> On 18.12.2023 at 19:06 Slavko via mailop wrote: > >> Why should everyone else be forced to do that? > > IMO for tracking purpose... Either, for good reason -- to track DKIM's domain > reputation, or other reason, as signed user@domain is more reliable source > than random user@domain (and signed

Re: [mailop] SMTP smuggling

2023-12-20 Thread Geert Hendrickx via mailop
On Wed, Dec 20, 2023 at 14:49:20 +, Gellner, Oliver via mailop wrote: > Postfix is potentially vulnerable as for compatibility with broken > clients it accepts . as an end-of-data command. Well, at least > it did, Wietse has introduced a flag which fixes this kind of message > smuggling: > > >

Re: [mailop] DMARC processing

2023-12-20 Thread Udeme via mailop
I +1 as well. I’ve used a few services over the years, and it helps a lot. -Udeme On Tue, Dec 19, 2023 at 10:47 PM Jesse Thompson via mailop < mailop@mailop.org> wrote: > On Tue, Dec 19, 2023, at 7:20 PM, Tara Natanson via mailop wrote: > > On Tue, Dec 19, 2023 at 3:29 PM Eduardo Diaz Comellas v

Re: [mailop] SMTP smuggling

2023-12-20 Thread Gellner, Oliver via mailop
On 19.12.2023 at 13:31 Mark Alley via mailop wrote: > Hey all, recently saw this mail server SMTP vulnerability that popped up on a > blog yesterday. Sharing here for those interested. > https://sec-consult.com/blog/detail/smtp-smuggling-spoofing-e-mails-worldwide/ Thanks for sharing, interestin

Re: [mailop] ECDSA DKIM validation?

2023-12-20 Thread Alessandro Vesely via mailop
On Tue 19/Dec/2023 22:12:28 +0100 Gellner, Oliver via mailop wrote: On 19.12.2023 at 12:19 Alessandro Vesely via mailop wrote: On Tue 19/Dec/2023 09:21:55 +0100 Taavi Eomäe wrote: Considering how Gmail and quite a few widespread DKIM implementations still don't support EdDSA DKIM, I wouldn't g

Re: [mailop] SMTP smuggling

2023-12-20 Thread Alessandro Vesely via mailop
On Tue 19/Dec/2023 21:19:06 +0100 Marco Moock via mailop wrote: Am 19.12.2023 um 17:20:20 Uhr schrieb Slavko via mailop: Please, understand i properly, that it is no vulnerabiliy in SMTP itself, but in (some) implementations/servers only? According to the stuff I read, sendmail and Postfix (a