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fix: Revert quoting `SA_SPAM_SUBJECT` in `mailserver.env` (#3767) 

In Docker Compose `.env` files are parsed properly when values are wrapped with quotes. Trailing white-space is also discarded, like it would be with shell variables.

This is not the case with `docker run` or other CRI like `podman` (_including it's compose equivalent support_). Those will parse the quotes to be included in a literal string value. Trailing white-space is also retained.

Hence a default with a trailing space is not compatible across CRI. This change documents the default with additional context on how to include a trailing white-space with a custom value for the users CRI choice. It additionally clearly communicates the opt-out value for this feature.
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Brennan Kinney 2024-01-15 11:23:23 +13:00 committed by GitHub
parent 3a142f9726
commit 1449629479
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1 changed files with 4 additions and 1 deletions
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@ -401,7 +401,10 @@ SA_TAG2=6.31
SA_KILL=10.0
# add tag to subject if spam detected
SA_SPAM_SUBJECT='***SPAM*** '
# The value `undef` opts-out of this feature. The value shown below is the default.
# NOTE: By default spam is delivered to a junk folder, reducing the value of adding a subject prefix.
# NOTE: If not using Docker Compose, other CRI may require the single quotes removed.
#SA_SPAM_SUBJECT='***SPAM*** '
# -----------------------------------------------
# --- Fetchmail Section -------------------------