[horde] Mail sent from imp is empty after recent pear upgrade

[Kinglok, Fong]

Hi,

After the recent pear upgrade (2013.08.22), all the email sent from imp is empty.

The amavis log just shows:
X-Amavis-Alert: BAD HEADER MIME error: error: unexpected end of preamble

I've tried bypass the amavis but the email is just empty.

Here comes the full mail with headers of a mail sent from imp.

Kinglok, Fong

=============================================
Delivered-To: busyman at biglake.com
Received: by 10.220.116.138 with SMTP id m10csp102150vcq;
        Fri, 23 Aug 2013 09:36:24 -0700 (PDT)
X-Received: by 10.68.238.65 with SMTP id vi1mr525865pbc.152.1377275783772;
        Fri, 23 Aug 2013 09:36:23 -0700 (PDT)
Return-Path: <postmaster+prvs=0947019f5f at domain.com>
Received: from mail.domain.com (058177202098.ctinets.com. [1.2.3.4])
        by mx.biglake.com with ESMTP id gx9si894189pac.185.1969.12.31.16.00.00;
        Fri, 23 Aug 2013 09:36:23 -0700 (PDT)
Received-SPF: pass (biglake.com: domain of postmaster+prvs=0947019f5f at domain.com designates 1.2.3.4 as permitted sender) client-ip=1.2.3.4;
Authentication-Results: mx.biglake.com;
       spf=pass (biglake.com: domain of postmaster+prvs=0947019f5f at domain.com designates 1.2.3.4 as permitted sender) smtp.mail=postmaster+prvs=0947019f5f at domain.com;
       dkim=pass header.i=@domain.com;
       dmarc=pass (p=NONE dis=NONE) d=domain.com
Received: from localhost (localhost [127.0.0.1])
	by mail.domain.com (Postfix) with ESMTP id 4D963FA035C
	for <busyman at biglake.com>; Sat, 24 Aug 2013 00:36:44 +0800 (HKT)
Received: from mail.domain.com ([127.0.0.1])
 by localhost (mail.domain.com [127.0.0.1]) (maiad, port 10026) with ESMTP
 id 01876-02 for <busyman at biglake.com>;
 Sat, 24 Aug 2013 00:36:44 +0800 (HKT)
Received: from localhost (www.domain.com [192.168.107.13])
	by mail.domain.com (Postfix) with ESMTPSA id D4E11FA0349
	for <busyman at biglake.com>; Sat, 24 Aug 2013 00:36:43 +0800 (HKT)
DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=domain.com; s=default;
	t=1377275803; bh=frcCV1k9oG9oKj3dpUqdJg1PxRT2RSN/XKdLCPjaYaY=;
	h=Date:From:To:Subject;
	b=CyYBRxSJwJkq8MZPwLZeSRow5kAE8QCiRkC44y1ViNpNeXlMA5rIydE1j8uYVlzJ5
	 qzCte3BzA4Hkc7HpUrUpYMSnOGQn7D7a5rAy+GQ9qEN3zHJIAmyVVpl6roj48FlSVE
	 y5h56OdePdvYpNYyvjL2ndHlSLwO1KGShjJBD/BE=
Received: from 014198113045.ctinets.com (014198113045.ctinets.com
 [14.198.113.45]) by mail.domain.com (Horde Framework) with HTTP; Sat, 24 Aug
 2013 00:36:43 +0800
Date: Sat, 24 Aug 2013 00:36:43 +0800
Message-ID: <20130824003643.Horde.9rS3rPS4mGTi1VkSTXEhUw1 at mail.domain.com>
From: postmaster at domain.com
To: busyman at biglake.com
Subject: test
User-Agent: Internet Messaging Program (IMP) H5 (6.1.3)
Content-Type: text/plain; charset=UTF-8; format=flowed; DelSp=Yes
MIME-Version: 1.0
Content-Disposition: inline
Content-Transfer-Encoding: 8bit
Authentication-Results: mail; dmarc=none header.from=domain.com


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