From: Graeme Fowler via Exim-users <exim-users@exim.org>
Date: Tue, 11 Apr 2023 18:44:22 +0100
From
https://www.exim.org/exim-html-current/doc/html/spec_html/ch-encrypted_smtp_connections_using_tlsssl.html
(sec 10):
"... setting hosts_avoid_tls (an option of the transport) to a list
of server hosts for which TLS should not be used."
I wonder how that is done.
$ find /etc/exim4/ -type f -exec grep "hosts_avoid_tls" '{}' \; -print
hosts_avoid_tls = REMOTE_SMTP_SMARTHOST_HOSTS_AVOID_TLS
/etc/exim4/conf.d/transport/30_exim4-config_remote_smtp_smarthost
hosts_avoid_tls = REMOTE_SMTP_HOSTS_AVOID_TLS
/etc/exim4/conf.d/transport/30_exim4-config_remote_smtp
hosts_avoid_tls = REMOTE_SMTP_HOSTS_AVOID_TLS
hosts_avoid_tls = REMOTE_SMTP_SMARTHOST_HOSTS_AVOID_TLS
Obvious questions before recklessly diving into changes.
(1) Macros are mentioned frequently in Exim documents. In general,
the meaning of "macro" depends upon the context.
https://en.wikipedia.org/wiki/Macro#Computing
What is a macro in Exim?
(2) Lines above containing "=" signs are assignments?
(3) An entity to left of = is a variable? Similar to a shell variable?
(4) What is an entity in all caps, right of =?
Of course, looked for answers in various docs before posting this.
/usr/share/doc/exim4-base/README
/usr/share/doc/exim4-base/README.Debian
/usr/share/doc/exim4-config/README.Debian
https://wiki.debian.org/PkgExim4UserFAQ
https://en.wikipedia.org/wiki/Macro#Computing
Nothing particularly helpful. =8~/
Thanks, ... P.
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