* Wietse Venema via Postfix-users <[email protected]>:

> > Is there anything logged alongside this? Or do I need to set up a
> > header_checks entry (and does this even work, given that it's also
> > done in/by cleanup(8))?
> 
> It is not logged. Should it?

I think it should. If i'm not mistaken, this issue is also baeaking
DKIM signatures.
 
> The reason for adding the empty line decades ago was to prevent
> other software from considering the errorous text (and non-empty
> lines that may follow) as part of the message header.
> 
> Ambiguity is a source of security problems.

-- 
Ralf Hildebrandt
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