[*_program -> *_function]
$use_command_mail_program -> $use_command_mail_function
$use_digest_program -> $use_article_digest_function
$use_distribute_program -> $use_article_post_function
$use_error_analyzer_program -> $use_error_mail_analyzer_function
[command list]
$commands_for_user -> $user_command_mail_allowed_commands
$commands_for_stranger -> $anonymous_command_mail_allowed_commands
$commands_for_privileged_user -> $admin_command_mail_allowed_commands
$commands_for_admin_cgi -> $admin_cgi_allowed_commands
[restrictions]
$post_restrictions -> $article_post_restrictions
$post_restrictions_reject_notice_data_type
-> $article_post_restrictions_reject_notice_data_type
$command_restrictions -> $command_mail_restrictions
permit_commands_for_stranger -> permit_anonymous_command_mail
$admin_command_restrictions -> $admin_command_mail_restrictions