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2 Email Address Check Rules and Security
2.1 Level of address check severity
When fml.pl compares From: address and an address in member lists,
fml.pl recognizes the following four addresses as the same one in
default. That is fml.pl checks within three levels from DNS root.
fukachan@titech.ac.jp
fukachan@phys.titech.ac.jp
fukachan@beth.phys.titech.ac.jp
fukachan@exelion.phys.titech.ac.jp
If you check domains more severely, the levels from DNS root is
controlled by $ADDR_CHECK_MAX. If you check 4 levels, set up
$ADDR_CHECK_MAX = 4;
If 4,
fukachan@phys.titech.ac.jp
fukachan@beth.phys.titech.ac.jp
fukachan@exelion.phys.titech.ac.jp
is the same but
fukachan@titech.ac.jp
differs from others.
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