Re: [Nmh-workers] specifying SMTP server in mts.conf broken by TLS certificate changes

[Ralph Corderoy]

Hi Ken,

> we have to decide how to parse that, assuming that you just want to
> add something to the server hostname.  As I've learned recently you
> can't use a colon as a separator because that's a valid character in
> an IPv6 address.

The rule for URLs is to enclose the IPv6 address in brackets, with the
`:42' following.
https://en.wikipedia.org/wiki/IPv6_address#Literal_IPv6_addresses_in_network_resource_identifiers
It seems to have spread beyond URLs now, e.g. Postfix.

-- 
Cheers, Ralph.
https://plus.google.com/+RalphCorderoy