On Fri, 6 May 2016, John McMurray wrote:
> Hi everyone,
>
> Firstly, I hope I've use the OT: thingy properly in the subject line. This is
> not really an exim issue its more of a mail delivery from my server(s) issue
> and I'm interested in any advice I might get.
You might wish to join the mail operators' email list
https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop
where such things are asked and the people who can sort
specific things out often do.
The https certificate is currently broken (expired IIRC),
which is a slight concern.