Subject: success notice
Generic warning message, recommended for all MTAs:
Subject: deferral notice
Delivery-status notification (DSN, rfc1891). All DSN messages with ``Action'' other than ``failed'':
Content-type: multipart/report
Warning message from sendmail, MIME form:
From: Mail Delivery Subsystem
Subject: Warning
Auto-Submitted: auto-generated (warning-timeout)
This is a MIME-encapsulated message
THIS IS A WARNING MESSAGE ONLY
Non-MIME form:
From: Mail Delivery Subsystem
Subject: Warning
Auto-Submitted: auto-generated (warning-timeout)
THIS IS A WARNING MESSAGE ONLY
Warning message from older version of sendmail:
From: Mail Delivery Subsystem
Subject: Returned mail: warning
This is a MIME-encapsulated message
THIS IS A WARNING MESSAGE ONLY
Non-MIME form:
From: Mail Delivery Subsystem
Subject: Returned mail: warning
THIS IS A WARNING MESSAGE ONLY
Notification messages from Novell Groupwise:
Subject: Message status - delivered
Subject: Message status - opened
Subject: Out of Office AutoReply:
Various autoresponders:
Precedence: bulk
Precedence: junk
Auto-Submitted: auto-replied
Thread-Topic: AutoResponse
Subject: AutoResponse -
X-Amazon-Auto-Reply:
X-Mailer: KANA Response
Thread-Topic: AutoResponse
Auto-Submitted:
Mailing list indicators:
Precedence: list
Mailing-List:
List-ID:
X-Mailing-List:
X-ML-Name:
List-Help:
List-Unsubscribe:
List-Post:
List-Owner:
List-Archive;