dnsbl_threshold => 1,
verifyreceivers => 1,
greylist => 1,
+ greylistmask4 => 1,
+ greylist6 => 1,
+ greylistmask6 => 1,
spf => 1,
hide_received => 1,
dwarning => 1,
banner => 1,
before_queue_filtering => 1,
ndr_on_block => 1,
+ smtputf8 => 1,
+ 'filter-timeout' => 1,
}],
'mail-tls' => [
'mail' , {
dkim_selector => 1,
dkim_sign => 1,
dkim_sign_all_mail => 1,
+ 'dkim-use-domain' => 1,
}],
};