The extract from the email header mentions protonmail.com
I recently started using ProtonMail to communicate with this mailing list.
I had been using a different address and method for the last eight years, but
that stopped working inexplicably on 26 November.
I could well be the only one using a ProtonMail address here.
Messages that I send to the list are also displayed with a warning when the
same message comes back to me from the CrossWire server.
I have already asked our admin what's wrong and could there be something
configured in correctly in our mail server.
Best regards,
David
>
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