-------- Original Message --------
From: Viktor Dukhovni via Postfix-users [mailto:postfix-users@postfix.org]
Sent: Tuesday, May 2, 2023 at 11:32 AM EDT
To: postfix-users@postfix.org
Subject: [pfx] Re: inbound failures only from outbound.protection.outlook.com. 
Cert issue in this log?

On Tue, May 02, 2023 at 11:09:59AM -0400, PGNet Dev wrote:

what root CA expiry are you referring to?

The DST root, that issued the ISRG X1 cross cert.

https://letsencrypt.org/docs/dst-root-ca-x3-expiration-september-2021/

yikes. missed that by a mile!

From my renewal.conf file:

     [renewalparams]
     reuse_key = True
     preferred_chain = ISRG Root X1
     ...

and for acme,

        https://github.com/acmesh-official/acme.sh/wiki/Preferred-Chain


i'll get this in place with the downstream, and see what it cures!

thx o/
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