On 03/10/14 22:06, lee wrote:
> And it doesn't work in that messages with an empty Subject: header are
> not detected.
> 
> What's the condition I need to use to detect an empty header?

Do you mean a missing Subject (warning, some MUAs might show
this as an empty one)?

  ${if !match {$message_headers}{(?m)^Subject:}}

Or a Subject header that has nothing after the colon?

  ${if eq {$h_subject:}{}}
-- 
Cheers,
  Jeremy

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