Truong Duc Luong wrote:

I see that, in my mail header, qmail allways fill time zone is -0000. How can I change this value?.

Here is header:

Return-Path: <[EMAIL PROTECTED]> <mailto:[EMAIL PROTECTED]>

Delivered-To:

Received: (qmail 10497 invoked by uid 89); *10 Jun 2008 07:29:29 -0000*

Received: by simscan 1.3.1 ppid: 10424, pid: 10472, t: 12.1539s

         scanners: attach: 1.3.1 clamav: 0.92.1

/m:45 spam: 3.2.4

X-Spam-Flag: YES

X-Spam-Checker-Version: SpamAssassin 3.2.4 (2008-01-01) on mail_server1

X-Spam-Level: *

X-Spam-Status: Yes, score=1.8 required=1.0 tests=AWL,DATE_IN_PAST_12_24,

                RDNS_NONE autolearn=no version=3.2.4

X-Spam-Report:

* 1.8 DATE_IN_PAST_12_24 Date: is 12 to 24 hours before Received: date

* 0.1 RDNS_NONE Delivered to trusted network by a host with no rDNS

                * -0.1 AWL AWL: From: address is in the auto white-list

Received: from unknown (HELO mail_server2) (116.111.x.x)

  by mail_server1 with SMTP; 10 Jun 2008 07:29:17 -0000

Received-SPF: none (mail_server1: domain at mail_domain does not designate permitted sender hosts)

Received: from WEBSERVER ([192.168.x.x]) by mail.bluezone.vn with Microsoft SMTPSVC(6.0.3790.1830);

                 Mon, 9 Jun 2008 23:41:34 +0700


All mail servers will show the received time as -0000 since they all operate on GMT. The client can then adjust the time according to where they are - this is normal and planned behavior. If you look at more of the headers you'll see that their email was sent with the incorrect time - the mail server (not just qmail) will adjust it for GMT-0 to determine a "baseline" time for receiving the message. When you download it in something like Thunderbird or Outlook it will take the GMT-0 time and change it to the machine's local timezone (GMT-4 here).

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