Subject: Delivery status notification, invalid header section: missing required header field

From: "Content-filter at mail.agape-soft.com" <[email-masked]>
Date: Wed, 15 Feb 2012 12:35:58 +0700 (WIT)

Your message WAS SUCCESSFULLY RELAYED to:
  <[email-masked]>

This delivery report was generated by the program amavisd-new at host
mail.agape-soft.com. Our internal reference code for your message is
10115-01-123/m63Hv7FdjiGt

INVALID HEADER: MISSING REQUIRED HEADER FIELD

  Missing required header field: "Date"

Return-Path: <[email-masked]>
From: <[email-masked]>
Subject:
  =?utf-8?B?0KHQvtCx0LXRgNC10Lwg0LTQu9GPINCS0LDRgSDQv9C+INGB0LXRgtC4INC40L3RgtC10YDQvdC10YIg0LHQs[...]

MISSING REQUIRED HEADER FIELD

  The RFC 5322 document specifies rules for forming internet messages.
  Section '3.6. Field Definitions' specifies that certain header fields
  are required (origination date field and the "From:" originator field).