// #ip
connect {
	accept: #ip == 127.0.0.1;
	continue;
}

// #spf, #mail_from
mail_from {
	accept: #spf == 'pass';
	continue;
}

// #from, #pra, #sender_id, #dkim_from, #domainkeys_from, #sig_dkim, #sig_domainkeys
header {
	accept: #sender_id == 'pass';
	reject: #mail_from == "yahoo.com" && #sig_domainkeys == No;
	continue;
}

// #dkim, #domainkeys
body {
	accept: #dkim == 'pass';
	accept: #domainkeys == 'pass';
	continue;
}