Hi,
exmh generates the following headers:
X-Mailer: exmh version 2.5 07/13/2001 (debian 2.5-1) with
nmh-1.0.4+dev
In-Reply-To: Message from Foo Bar <foo@bar.org>
of "Fri, 09 Jan 2004 10:21:43 +0100."
<Pine.LNX.4.56.0401091018330.19060@bar.org>
RFC compliant, it would look like this:
In-Reply-To: <Pine.LNX.4.56.0401091018330.19060@bar.org>
Please change it.
Thanks,
Marcus.