Signing (and Encrypting) Mails with gpg like DKIM

[Henning Follmann]

> On Sep 1, 2024, at 02:18, Stuart Longland via Gnupg-users <gnupg-users at gnupg.org> wrote:
> 
> [Re-send with correct from: address… apologies to the moderators for the noise]
> 
>> On 1/9/24 15:55, Marco Moock via Gnupg-users wrote:
>> Is there a limit for DNS records?
> 
> In theory, probably not.  In practice, most definitely, especially if you don't "own" the DNS server.
> 
>> I don't see a problem here, especially if they are provisioned in an
>> automatic way.
> 
> Again, not everyone has that luxury.  There exist many web hosting providers whose only means of updating DNS is a crummy web application. CheaperDomains for example does this, and allows just 4 TXT records.
> 
> https://community.cloudflare.com/t/dns-record-limit/169997 suggests a limit of 1000 records for CloudFlare for example (and its import instructions limit the zone file to 256KiB).
> --
> 

And on top of that you need the unprotected private key for each user. 
That is probably a bad idea.

-H