Re: [exim] Inserting a TLS status header?

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Author: Jeremy Harris
Date:  
To: exim-users
Subject: Re: [exim] Inserting a TLS status header?
On 07/08/14 16:15, Viktor Dukhovni wrote:
>> It should probably be:
>>   warn encrypted = *
>>        add_header = X-TLS-In-Cipher: $tls_in_cipher

>
> You should also be aware that such headers might already be present
> in the message, from previous relay hops. Parse with care. The
> same data in the Received: header might be less ambiguous, because
> it is more clear where it was added.


There are two things you can do with custom headers on that front:

a) be careful *where* in the set of headers it is added - there
are controls for this if don't want the default placing - and use
that knowledge where you're checking for the header

b) remove incoming headers of that name
--
Cheers,
Jeremy