IPv6 isn't SMTP

Thu Mar 27 13:56:52 UTC 2014

Owen DeLong <owen at delong.com> wrote:
>
> Two errors, actually… As an RFC-821 address, it should be user@[IP]:port
> in both cases (user@[192.0.2.1]:25 and user@[2001:db8::1]:25).

You have never been able to specify a port number in an email address.

Tony.
-- 
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