Outgoing using IPv6 (Full Version)

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HwSystems -> Outgoing using IPv6 (25.Mar.2016 2:07:08 PM)

Hi guys,
I want my exchange server to send external mail using IPv6
when remote server support it. My problem is that when a MX have
both an A-record and AAAA-record, Exchange send using IPv4. The
only way I'm able to send using IPv6 is when the MX record ONLY have
an AAAA record. I don't understand that, I read everywhere that
people have problem with their server sending using IPv6 and
behing blocked by Google because they don't have a rDNS. How can
I make it to send using IPv6 if both protocol are accepted by
the destination server?

Thanks for any idea!

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