Re: A new transition plan, was: Re: the evilness of NAT-PT, was: chicago IETF IPv6 connectivity
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Re: A new transition plan, was: Re: the evilness of NAT-PT, was: chicago IETF IPv6 connectivity



>	- more and more ISP infrastructure practices OP25B for IPv4.

	OP25B = Outbound Port 25 Blocking.  it disallows ISP customers to run
	SMTP server, or use SMTP server outside of the ISP network.
	maybe it is japanese-local acronym, google shows me japanese 
	pages only.

itojun

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