> On 6 Nov 2021, at 5:33 pm, Gionatan Danti <g.da...@assyoma.it> wrote:
>
>> I think that the default setting:
>> nested_header_checks = $header_checks
>> is unfortunate, perhaps we should change it to empty at compatibility
>> level >= 3.7.
>
> On current test setup, I do not define nested_headers_check at all. Is this
> an issue?
Well, nested_header_checks apply not only to the top-level message
headers, but also to the headers of attached email messages. In
many cases it is not desirable to apply the same modifications to
attached messages that are made at the top level. Your choice...
--
Viktor.
