li...@rhsoft.net skrev den 2013-10-07 19:38:
if you have no PTR do not deliver emial
PTR is unsafe, avoid it PTR is only safe if the name is on domains dns with the same ip will google really reject mails with spf ip6: ?
li...@rhsoft.net skrev den 2013-10-07 19:38:
if you have no PTR do not deliver emial
PTR is unsafe, avoid it PTR is only safe if the name is on domains dns with the same ip will google really reject mails with spf ip6: ?