RE: CR CR LF-mail body as there is an error

From: Murray S. Kucherawy <msk_at_cloudmark.com>
Date: Fri, 19 Nov 2010 19:38:06 -0800

At a guess, the MTA is either removing the errant CR or converting it to CRLF after signing, causing the signature to fail. Bare CRs are illegal input (see RFC5322, Section 3.2).

There are features of libopendkim that attempt to deal with input like this by "fixing" the signed body. You could try signing with "FixCRLF" set and see if that works.

From: opendkim-users-bounce_at_lists.opendkim.org [mailto:opendkim-users-bounce_at_lists.opendkim.org] On Behalf Of vfx9as
Sent: Friday, November 19, 2010 8:14 AM
To: opendkim-users_at_lists.opendkim.org
Subject: CR CR LF-mail body as there is an error

Hi.

CR CR LF by failed: body hash mismatch


CR CR LF-mail body as there is an error

--- bugdata
From:bug_at_example.com<mailto:From%3Abug_at_example.com>

aa
aa ^M
aa

---
hexdump
0000000   F   r   o   m   :   b   u   g   _at_   e   x   a   m   p   l   e
0000010   .   c   o   m  \n  \n   a   a  \n   a   a      \r  \n   a   a
0000020  \n  \n
0000022
$ cat bugdata | sendmail test_at_example.com<mailto:test_at_example.com>
failed: body hash mismatch
$ opendkim -V
opendkim: OpenDKIM Filter v2.2.1
    Compiled with OpenSSL 0.9.8n 24 Mar 2010
    SMFI_VERSION 0x1000001
    libmilter version 1.0.1
    Supported signing algorithms:
        rsa-sha1
        rsa-sha256
    Supported canonicalization algorithms:
        relaxed
        simple
    Active code options:
        USE_ARLIB
    libopendkim 2.2.1:

Received on Sat Nov 20 2010 - 03:38:17 PST