On Fri, Mar 01, 2024 at 12:26:33AM +0100, Steffen Nurpmeso wrote:
> i still use the
>
> # super modern, forward secrecy TLSv1.2 / TLSv1.3 selection..
> tls_high_cipherlist = EECDH+AESGCM:EECDH+AES256:EDH+AESGCM:CHACHA20
I don't recommend cargo-culting random cipher lists.
> smtpd_tls_mandatory_ciphers = high
> smtpd_tls_mandatory_exclude_ciphers = TLSv1
In pratice, this boils down to
ECDHE-ECDSA-AES256-SHA TLSv1 Kx=ECDH Au=ECDSA Enc=AES(256) Mac=SHA1
ECDHE-RSA-AES256-SHA TLSv1 Kx=ECDH Au=RSA Enc=AES(256) Mac=SHA1
ECDHE-ECDSA-AES128-SHA TLSv1 Kx=ECDH Au=ECDSA Enc=AES(128) Mac=SHA1
ECDHE-RSA-AES128-SHA TLSv1 Kx=ECDH Au=RSA Enc=AES(128) Mac=SHA1
Which should all be fine (better than cleartext) for email.
--
Viktor.
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