https://bugs.exim.org/show_bug.cgi?id=2941
Heiko Schlittermann <hs@???> changed:
What |Removed |Added
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CC| |hs@???
--- Comment #2 from Heiko Schlittermann <hs@???> ---
- Not all variables are expandable, yes. Some for technical reasons, other just
because nobody implemented it.
- Using environment variables to modify Exim's configuration may have security
implications. And in fact, we had a security issue some time back, related to
attacker controlled environment variables.
- If you need to use environment variables inside the configuration, you should
read about `keep_environment` and `add_environment` global options.
- In a similar scenario I use an short "entrypoint" script, which builds the
runtime configuration at container startup time.
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