
18 May
2025
18 May
'25
12:41 a.m.
Once upon a time, William Herrin <bill@herrin.us> said:
On Sat, May 17, 2025 at 4:23 PM Colin Constable via NANOG <nanog@lists.nanog.org> wrote:
Is anyone else worried about this? We use public certs for client auth in a number of cases.
https://letsencrypt.org/2025/05/14/ending-tls-client-authentication/
Does seem like it might have an impact on SMTP...
Who is using Let's Encrypt web server certs for SMTP client authentication? -- Chris Adams <cma@cmadams.net>