On 2012-04-17 6:54 AM, Reindl Harald <h.rei...@thelounge.net> wrote:
the hard facts are that EVERY site using a dedicated spamfilter (own appliance or external service) have different IP's for MX and outgoing mail
Not if they are using said spamfilter service for relaying their outbound mail *and* if the spamfilter service uses the same IP blocks for relaying.
-- Best regards, Charles
