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On Wed, 2013-05-22 at 09:48 +1000, Mark Andrews wrote:<BR>
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And the ISP for IPv4 *knows* the address you will be using because the
mail server is behind a NAT. For IPv6 they server is NOT behind a
NAT. It could be on any one of 1208925819614629174706176 addresses
allocated to the home.
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Yes, if they don't like it, they move to a provider who offers this facility, or get a business account where you would be paying for that, else, use the ISP in smarthost configuration, just like all the IPv4'rs have been doing for over two decades.<BR>
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Either way, it is not my problem, its' theirs<BR>
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