Can one 'unignore' headers from a specific host

[Kevin J. McCarthy]

On Tue, Dec 08, 2020 at 08:46:14PM +0000, Chris Green wrote:
>I want to unignore headers from a few specific hosts, i.e. I want to
>do something like:-
>
>    unignore Received: from dns.zbmc.eu
>
>Is this possible in any way?

Mutt performs a string comparison of the unignore value against the 
header.  So you could try
   unignore 'Received: from dns.zbmc.eu'

>Alternatively is there any way to flag messages which have "Received:
>from dns.zbmc.eu" in the headers and add a custom header or some other
>way of indicating that they're from dns.zbmc.eu?

You could try using spam and the %H expando, or using index colors 
against ~H.

Take a look at <http://www.mutt.org/doc/manual/#spam>, but do carefully 
note the second paragraph if you use header caching.

-- 
Kevin J. McCarthy
GPG Fingerprint: 8975 A9B3 3AA3 7910 385C  5308 ADEF 7684 8031 6BDA
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