Hi everyone. I'm trying to set dkim_verify_signers by reading a list of
known signers in an external file.
As with lists, I tried the following:
dkim_verify_signers = $dkim_signers : /etc/exim/some_file
where the contents of "some_file" is a list of domain names:
gmail.com
yahoo.com
...
but it doesn't work as I would normally expect.
Instead, the following:
dkim_verify_signers = $dkim_signers : ${readfile{/etc/exim/some_file}{:}}
works. Can somebody explain why I need to expand the file contents
manually here?
I'm using exim 4.80 (-7, from debian unstable).
Thanks.
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