26 Mar
2014
26 Mar
'14
11:28 p.m.
In article <5333970A.6070107@direcpath.com> you write:
On 3/26/2014 10:16 PM, Franck Martin wrote:
and user@2001:db8::1.25 with user@192.0.2.1:25. Who had the good idea to use : for IPv6 addresses while this is the
separator for the port in IPv4? A few MTA are confused by it. At the network level the IPv6 address is just a big number. No confusion there. At the plaintext level the naked IPv6 address should be wrapped in square brackets.
It's messier than that. See RFC 5321 section 4.1.3. I have no idea whether anyone has actually implemented IPv6 address literals and if so, how closely they followed the somewhat peculiar spec. R's, John