On 2025/05/26 11:43 PM, Andrew C Aitchison via Exim-users wrote:
Unless you are willing and able to close the connection if/when
TLS fails, there is little benefit in disabling TLS <= 1.1
Server side:
- in MAIL ACL, deny condition = ${if !def:tls_in_cipher}.
Maybe even drop.
- in authenticators, the usual for methods you don't want
on plaintext conns (eg: PLAIN and LOGIN)
Client side:
- in transport, hosts_require_tls = *
--
Cheers,
Jeremy
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