📄 rfc3297.txt
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MH image compression.
Sender's initial message:
Date: Wed,20 Sep 1995 00:18:00 (EDT)-0400
From: Jane Sender <Jane_Sender@example.com>
Message-Id: <199509200019.12345@example.com>
Subject: Internet FAX Full Mode Content Negotiation
To: Tom Recipient <Tom_Recipient@example.org>
Disposition-Notification-To: Jane_Sender@example.com
Disposition-Notification-Options:
Alternative-available=optional,permanent
MIME-Version: 1.0
Content-Type: multipart/mixed;
boundary="RAA14128.773615765/ example.com"
Klyne, et. al. Standards Track [Page 23]
RFC 3297 Content Negotiation for Messaging Services July 2002
--RAA14128.773615765/ example.com
Content-type: image/tiff
Content-Transfer-Encoding: base64
Content-features:
(& (color=Binary)
(image-file-structure=TIFF-minimal)
(dpi=200)
(dpi-xyratio=1)
(paper-size=A4)
(image-coding=MH)
(MRC-mode=0)
(ua-media=stationery) )
Content-alternative:
(& (color=Binary)
(image-file-structure=TIFF-limited)
(dpi=400)
(dpi-xyratio=1)
(paper-size=A4)
(image-coding=MMR)
(MRC-mode=0)
(ua-media=stationery) )
[TIFF-FX Profile-S message goes here]
--RAA14128.773615765/ example.com--
Receiver sends MDN response to initial message:
Date: Wed,20 Sep 1995 00:19:00 (EDT)-0400
From: Tom Recipient <Tom_Recipient@example.org>
Message-Id: <199509200020.12345@example.org>
Subject: Re: Internet FAX Full Mode Content Negotiation
To: Jane Sender <Jane_Sender@example.com>
MIME-Version: 1.0
Content-Type: multipart/report;
report-type=disposition-notification;
boundary="RAA14128.773615766/example.org"
--RAA14128.773615766/example.org
The message sent on 1995 Sep 20 at 00:18:00 (EDT) -0400 to
Tom Recipient <Tom_Recipient@example.org> with subject "Internet
FAX Full Mode Content Negotiation" has been received. An
alternative form of the message data is requested.
Klyne, et. al. Standards Track [Page 24]
RFC 3297 Content Negotiation for Messaging Services July 2002
--RAA14128.773615766/example.org
Content-Type: message/disposition-notification
Reporting-UA: Toms-pc.cs.example.org; IFAX-FullMode
Original-Recipient: rfc822;Tom-Recipient@example.org
Final-Recipient: rfc822;Tom-Recipient@example.org
Original-Message-ID: <199509200019.12345@example.com>
Disposition: automatic-action/MDN-sent-automatically;
deleted/alternative-preferred
Media-Accept-Features:
(& (type="image/tiff")
(color=Binary)
(image-file-structure=TIFF)
(| (& (dpi=200) (dpi-xyratio=200/100) )
(& (dpi=200) (dpi-xyratio=1) )
(& (dpi=400) (dpi-xyratio=1) ) )
(| (image-coding=[MH,MR,MMR])
(& (image-coding=JBIG)
(image-coding-constraint=JBIG-T85)
(JBIG-stripe-size=128) ) )
(MRC-mode=0)
(paper-size=[A4,B4])
(ua-media=stationery) )
--RAA14128.773615766/example.org--
Sender's message with enhanced content:
Date: Wed,20 Sep 1995 00:21:00 (EDT)-0400
From: Jane Sender <Jane_Sender@example.com>
Message-Id: <199509200021.12345@example.com>
Original-Message-Id: <199509200019.12345@example.com>
Subject: Internet FAX Full Mode Image Transmission
To: Tom Recipient <Tom_Recipient@example.org>
Disposition-Notification-To: Jane_Sender@example.com
MIME-Version: 1.0
Content-Type: multipart/mixed;
boundary="RAA14128.773615768/ example.com"
--RAA14128.773615768/ example.com
Content-type: image/tiff
Content-Transfer-Encoding: base64
[TIFF-FX profile-F message goes here]
--RAA14128.773615768/ example.com--
Klyne, et. al. Standards Track [Page 25]
RFC 3297 Content Negotiation for Messaging Services July 2002
Receiver sends MDN confirmation of enhanced message content:
Date: Wed,20 Sep 1995 00:22:00 (EDT)-0400
From: Tom Recipient <Tom_Recipient@example.org>
Message-Id: <199509200022.12345@example.org>
Subject: Re: Internet FAX Full Mode Image Transmission
To: Jane Sender <Jane_Sender@example.com>
MIME-Version: 1.0
Content-Type: multipart/report;
report-type=disposition-notification;
boundary="RAA14128.773615769/example.org"
--RAA14128.773615769/example.org
The message sent on 1995 Sep 20 at 00:21:00 (EDT) -0400 to Tom
Recipient <Tom_Recipient@example.org> with subject " Internet FAX
Full Mode Image Transmission" has been processed in Internet FAX
Full Mode.
--RAA14128.773615769/example.org
Content-Type: message/disposition-notification
Reporting-UA: Toms-pc.cs.example.org; IFAX-FullMode
Original-Recipient: rfc822;Tom-Recipient@example.org
Final-Recipient: rfc822;Tom-Recipient@example.org
Original-Message-ID: <199509200021.12345@example.com>
Disposition: automatic-action/MDN-sent-automatically; processed
Media-Accept-Features:
(& (type="image/tiff")
(color=Binary)
(image-file-structure=TIFF)
(| (& (dpi=200) (dpi-xyratio=200/100) )
(& (dpi=200) (dpi-xyratio=1) )
(& (dpi=400) (dpi-xyratio=1) ) )
(| (image-coding=[MH,MR,MMR])
(& (image-coding=JBIG)
(image-coding-constraint=JBIG-T85)
(JBIG-stripe-size=128) ) )
(MRC-mode=0)
(paper-size=[A4,B4])
(ua-media=stationery) )
--RAA14128.773615769/example.org--
Klyne, et. al. Standards Track [Page 26]
RFC 3297 Content Negotiation for Messaging Services July 2002
8.2 Internet fax with initial data usable
This example shows how the second and subsequent transfers between
the systems in the previous example might be conducted. Using
knowledge gained from the previous exchange, the sender includes
profile-F data with its first contact.
Sender's initial message:
Date: Wed,20 Sep 1995 00:19:00 (EDT)-0400
From: Jane Sender <Jane_Sender@example.com>
Message-Id: <199509200019.12345@example.com>
Subject: Internet FAX Full Mode Content Negotiation
To: Tom Recipient <Tom_Recipient@example.org>
Disposition-Notification-To: Jane_Sender@example.com
Disposition-Notification-Options:
Alternative-available=optional,permanent
MIME-Version: 1.0
Content-Type: multipart/mixed;
boundary="RAA14128.773615765/ example.com"
--RAA14128.773615765/ example.com
Content-type: image/tiff
Content-Transfer-Encoding: base64
Content-features:
(& (color=Binary)
(image-file-structure=TIFF-limited)
(dpi=400)
(dpi-xyratio=1)
(paper-size=A4)
(image-coding=MMR)
(MRC-mode=0)
(ua-media=stationery) )
Content-alternative:
(& (color=Binary)
(image-file-structure=TIFF-minimal)
(dpi=200)
(dpi-xyratio=1)
(paper-size=A4)
(image-coding=MH)
(MRC-mode=0)
(ua-media=stationery) )
[TIFF-FX Profile-F message goes here]
--RAA14128.773615765/ example.com--
Klyne, et. al. Standards Track [Page 27]
RFC 3297 Content Negotiation for Messaging Services July 2002
Receiver sends MDN confirmation of received message content:
Date: Wed,20 Sep 1995 00:22:00 (EDT)-0400
From: Tom Recipient <Tom_Recipient@example.org>
Message-Id: <199509200022.12345@example.org>
Subject: Re: Internet FAX Full Mode Image Transmission
To: Jane Sender <Jane_Sender@example.com>
MIME-Version: 1.0
Content-Type: multipart/report;
report-type=disposition-notification;
boundary="RAA14128.773615769/example.org"
--RAA14128.773615769/example.org
The message sent on 1995 Sep 20 at 00:19:00 (EDT) -0400 to Tom
Recipient <Tom_Recipient@example.org> with subject "Internet FAX
Full Mode Image Transmission" has been processed in Internet FAX
Full Mode.
--RAA14128.773615769/example.org
Content-Type: message/disposition-notification
Reporting-UA: Toms-pc.cs.example.org; IFAX-FullMode
Original-Recipient: rfc822;Tom-Recipient@example.org
Final-Recipient: rfc822;Tom-Recipient@example.org
Original-Message-ID: <199509200021.12345@example.com>
Disposition: automatic-action/MDN-sent-automatically; processed
Media-Accept-Features:
(& (type="image/tiff")
(color=Binary)
(image-file-structure=TIFF)
(| (& (dpi=200) (dpi-xyratio=200/100) )
(& (dpi=200) (dpi-xyratio=1) )
(& (dpi=400) (dpi-xyratio=1) ) )
(| (image-coding=[MH,MR,MMR])
(& (image-coding=JBIG)
(image-coding-constraint=JBIG-T85)
(JBIG-stripe-size=128) ) )
(MRC-mode=0)
(paper-size=[A4,B4])
(ua-media=stationery) )
--RAA14128.773615769/example.org--
Klyne, et. al. Standards Track [Page 28]
RFC 3297 Content Negotiation for Messaging Services July 2002
8.3 Negotiate to lower receiver capability
In this example, the sender has incorrectly assumed that the receiver
has a higher capability, and must re-send lower capability data in
response to the receiver's response showing lesser capability.
An Internet fax sends a p⌨️ 快捷键说明
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