[pfx] Re: Log TLS Error Clarification

2025-01-22 Thread Geert Hendrickx via Postfix-users
On Wed, Jan 22, 2025 at 13:40:34 +1100, Viktor Dukhovni via Postfix-users wrote: > Nothing in the Postfix config, but do note that on RedHat / Fedora > systems there's also "crypto policy" that cranks up security to 11 to > protect users against fairly exotic threats, so you end up with > cleartext

[pfx] Re: Log TLS Error Clarification

2025-01-21 Thread Viktor Dukhovni via Postfix-users
On Tue, Jan 21, 2025 at 05:16:29PM -0500, Wietse Venema via Postfix-users wrote: > >[root@host /]# postconf -n | grep tls > >milter_rcpt_macros = i {rcpt_addr} {rcpt_host} {rcpt_mailer} > > {tls_version} > >smtp_tls_CAfile = /etc/pki/tls/certs/ca-bundle.crt > >smtp_tls_CApath = /e

[pfx] Re: Log TLS Error Clarification

2025-01-21 Thread Wietse Venema via Postfix-users
postfix--- via Postfix-users: > > You may want to comment out protocol or cipher tweaks' these can > > reduce interoperability: > > > > postconf -n | grep tls > > > I do not think I am using any tweaks and try to keep things as default as > possible. Or maybe I'm misunderstanding. > >[root

[pfx] Re: Log TLS Error Clarification

2025-01-21 Thread postfix--- via Postfix-users
You may want to comment out protocol or cipher tweaks' these can reduce interoperability: postconf -n | grep tls I do not think I am using any tweaks and try to keep things as default as possible. Or maybe I'm misunderstanding. [root@host /]# postconf -n | grep tls milter_rcpt_macros =

[pfx] Re: Log TLS Error Clarification

2025-01-21 Thread Wietse Venema via Postfix-users
postfix--- via Postfix-users: > My distro package manager gives me postfix 3.5.25 with openssl 3.2.2 which > causes SSL version mismatch warnings I was previously told I could ignore. > > I got a failed transaction: > >Jan 21 09:15:21 host postfix/smtpd[79286]: warning: run-time library vs.