Re: Failing SPF & DKIM for lists.debian.org

Pirate Praveen <[email protected]> Thu, 16 Apr 2026 18:33:51 +0530
Newsgroups gmane.linux.debian.devel.project
Message-ID <[email protected]>

On 4/15/26 1:12 PM, Bastian Blank wrote:
> On Wed, Apr 15, 2026 at 08:10:16AM +0200, Marcel Menzel wrote:
>> It seems that lists.debian.org has some problems (at least on my side) for
>> SPF and DKIM validation, which leads to failing DMARC causing mails being
>> inserted into the Junk folder:
> 
> Nothing fails.  debian.org have neither SPF nor DMARC records.
> 
> You can check that yourself with:
> 
> | dig debian.org txt
> | dig _dmarc.debian.org txt
> 
> Bastian
> 

We do publish a DKIM record, but our lists apparently broke it when 
forwarding the original mail. Adding a prefix to the subject or 
modifying a protected header would break dmarc.

$ dig +short smtpauto.stravinsky._domainkey.debian.org txt
"v=DKIM1; k=rsa; s=email; h=sha256; p=" 
"MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwi8LqBb0lIBri5MJwFq8" 
"lak6adGPCq/kpLTarDdSdlfOekhpAnwVf9cD37ii9u4bLfVkuIzg3eIm4HmHKoUC" 
"vqc24CZkggi5+D8TyhS0TnlXAZNQgFGtE9X6ZZTban34a/iqVU1PNjxXPLIEW+e5" 
"D3NJn1ah+3ILFDw7vXIXjZSierXl5onMY/lgN3DidLYBmw0+BNVKI4mnByczmhh6" 
"5kF+DLsv8N0Jtb5YOcRle3SuuK6dp1N4dyosd0CHnjuytpZ81F97FBfMKpmHYJEc" 
"eA+/1Rxykhl7x+khw2V5UKK7o30af7QJgMS+ZO/XJSl6Sw1yerxixvX9kAnjZppt" 
"RwIDAQAB"
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