On 17 Oct 2015, at 9:29, Robert Chalmers wrote:

I did have MacPorts, and Homebrew installed ports at one time, but abandoned them in favour of building most things myself if I need them. The ports just don’t have what I need built in already, and if I am going to fiddle with ports to get them how I want, then it’s just as easy to start from scratch - which I have done. I did a search and found those libraries, left over from playing around with that stuff. Naturally they didn’t work.

Well, of course not: you don't have the whole icu package properly installed, you seem to have random remnants of a MacPorts installation of icu that you apparently only halfway removed. /opt/local doesn't exist in a standard MacOS X installation, so what you've got there

Now the question is. Do I actually need SMTPUTF8 support? Probably not really so I disabled it in main.cf I just like to have things built that don’t show up warnings like that. "warning: smtputf8_enable is true, but EAI support is not compiled in”

As there appears to be no way of getting it to compile in, I can reasonably forget it. If you are interested this is where I keep my Make list. http://www.chalmers.com.au/?p=362

That hostname has a CNAME record pointing to a name does not resolve. Maybe you should install BIND as well, or get a competent DNS provider :)


and if someone who knows OSX 10.11 knows where a suitable library is that I can use, please let me know.

You need to install icu properly to get the icu components that Postfix needs. It's really that simple.

If you want an example of a working Postfix smtputf8 build, you can look at what MacPorts does: there is a working smtputf8 variant.

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