[rt-users] Lowercasing of message headers

[Thomas Sibley]

On 10/09/2012 07:11 AM, Martin Drasar wrote:
> My question is - can RT somehow lowercase some of my headers? And if you
> think that it cannot, could you give me a hint, how to convince sendmail
> on the receiving end to print the headers that arrived? I need to find
> who is causing it and so far it is either sendmail on the sending or
> receiving end, or the RT.

It's possible, yes.  I don't know where it may be happening in this
particular case, and it may not even be in RT.  Mail headers, however,
are case insensitive, so any change in case shouldn't be affecting your
usage.  (And if it is, that sounds like a bug somewhere.)