docs: `mailserver.env` improve description for `SPAM_SUBJECT` (#4050)

Co-authored-by: Casper <casperklein@users.noreply.github.com>
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Brennan Kinney 2024-06-07 18:42:05 +12:00 committed by GitHub
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@ -130,8 +130,9 @@ ENABLE_IMAP=1
# **0** => Disabled # **0** => Disabled
ENABLE_CLAMAV=0 ENABLE_CLAMAV=0
# Add the value as a prefix to the mail subject when spam is detected. # Add the value of this ENV as a prefix to the mail subject when spam is detected.
# NOTE: By default spam is delivered to a junk folder, reducing the value of a subject prefix for spam. # NOTE: This subject prefix may be redundant (by default spam is delivered to a junk folder).
# It provides value when your junk mail is stored alongside legitimate mail instead of a separate location (like with `SPAMASSASSIN_SPAM_TO_INBOX=1` or `MOVE_SPAM_TO_JUNK=0` or a POP3 only setup, without IMAP).
# NOTE: When not using Docker Compose, other CRI may not support quote-wrapping the value here to preserve any trailing white-space. # NOTE: When not using Docker Compose, other CRI may not support quote-wrapping the value here to preserve any trailing white-space.
SPAM_SUBJECT= SPAM_SUBJECT=