no more subject prefix for texhax mailing list

[Peter Flynn]

On 01/03/2019 22:34, Karl Berry wrote:
>      That's too bad.  How about instead of using brackets as before:
> 
> Unfortunately, no prefix at all is allowed, nor any message footer.
> Else the DKIM-Signature of DMARC-rejecting domains is broken.
> (Even this is not always enough, depending on how draconian/stupid the
> DMARC sender is, but it's all we can do.) -k

It is certainly a pity, but I am reassured that at least Thunderbird 
recognises the List-Id header.

P