Author: Jeremy Harris Date: To: exim-users Subject: Re: [exim] how to check a message header for being empty
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?