Hello,
i want to rewrite (prefix) the Subject: Header in
a redirect router depending on if a certain
header is set/exists or not :
headers_remove = X-BeenHere: Subject:
headers_add = "Subject: ${if
def:header_X-BeenHere:{$h_subject:}{[${uc:$local_part}]
$h_subject:\nX-BeenHere: $tod_full}}"
initionally, the x-beenhere Header is being added and
Subject: ist being prefixed with [$local_part],
but the subject of replies to this message,
which already have the X-BeenHere: Header
are being prefixed too. Additionally X-BeenHere
is rewritten too with the current $tod_full.
It seems, that exim does not recognize the presence
of "X-BeenHere:" in this situation . The debug output claims
that 'def:header_X-BeenHere:' expands to 'false',
although it is set definitely.
11:09:58 2079 condition: def:header_X-BeenHere:
11:09:58 2079 result: false
What is going wrong here, or did i missunderstand
the way exim expands "headers_add" ?
Thank you for your hints,
Nico
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