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- ###########################################################################
- # [Reject empty MAIL FROM]
- #
- # Description: "Reject messages that have an empty MAIL FROM: value"
- # Keywords: "MAIL FROM, rejection methods"
- # Category: "Junk mail detection"
- # Format: "{TRUE OR FALSE}"
- #
- # Reject any mail which has an empty MAIL FROM:<> value.
- #
- # Internet standards allow empty an empty MAIL FROM:<> when receiving
- # email. This is a completely legitimate practice, and many automated
- # programs send mail with a blank MAIL FROM value. For instance, mail
- # delivery error reports are often sent with a blank MAIL FROM, so that
- # they cannot bounce back and cause a mail loop. Primitive list servers,
- # do not have the programming intelligence to handle bounce reports,
- # will also send mail with a blank MAIL FROM.
- #
- # Nonetheless, you may choose to reject mail with a blank MAIL FROM.
- # Some spam is sent out in this way, and you might not wish to receive
- # mail delivery error reports.
- #
- # We do not advise most people to enable this setting, as it this rule
- # does violate common Internet practice. But, we leave the choice up
- # to you.
- #
- # We recommend that this feature be disabled.
- #
- # By default, this setting is disabled.
- #
- # Instructions: "Please enter the word TRUE or the word FALSE below."
- FALSE
-