Sender ID Drafts Jim Lyon Microsoft Corporation 4 August 2004.

Slides:

Advertisements

Similar presentations

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Chapter 22 Simple Mail Transfer Protocol (SMTP)

Advertisements

Draft-ietf-pim-port-06. port-06 update Changes made in response to second wglc comments and following discussion Many minor editorial issues fixed Changed.

Draft-ietf-eai-mailinglist-00.txt Mailing Lists and Internationalized Addresses IETF66 Montreal – July 11, 2006 Edmon Chung, Afilias

Securing Bruce Maggs. Separate Suites of Protocols Protocols for retrieving POP, IMAP, MAPI (Microsoft Exchange) Protocols for sending

Module 6 Implementing Messaging Security. Module Overview Deploying Edge Transport Servers Deploying an Antivirus Solution Configuring an Anti-Spam Solution.

How Will Authentication Reduce Global Spam? OECD Anti-Spam Task Force Pusan – September, 2004 Dave Crocker Brandenburg InternetWorking OECD Anti-Spam Task.

Internet Safety Microsoft’s Anti-SPAM Strategy and Initiatives Meng-Chow Kang, CISSP, CISA Chief Security & Privacy Advisor Microsoft Asia Pacific Anti-SPAM.

© 2007 Convio, Inc. Implementation of Sender ID Bill Pease, Chief Scientist Convio.

DNSOP WG IETF-67 SPF/Sender-ID DNS & Internet Threat Douglas Otis

TCP/IP Protocol Suite 1 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter 23 Electronic Mail: SMTP,

The Application Layer Chapter 7. Where are we now?

Chapter 29 Structure of Computer Names Domain Names Within an Organization The DNS Client-Server Model The DNS Server Hierarchy Resolving a Name Optimization.

TCP/IP Protocol Suite 1 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter 23 Electronic Mail: SMTP,

Sender policy framework. Note: is a good reference source for SPFhttp://

Office 365 SMTP Relay June Relay Method Send to rcpts in domain Relay to Internet via O365 Configuration Requirements Requires Authentication.

Pro Exchange SPAM Filter An Exchange 2000 based spam filtering solution.

1 SMTP Transport Configuration SMTP Configurations and Virtual Servers Customizing the SMTP Service.

Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 The Application Layer Chapter

SMTP extension for internationalized address YAO Jiankang 2006 CNNIC.

Identity Based Sender Authentication for Spam Mitigation Sufian Hameed (FAST-NUCES) Tobias Kloht (University of Goetingen) Xiaoming Fu (University.

Electronic mail – protocol evolution. standards.

03/09/05Oregon State University X-Sig: An Signing Extension for the Simple Mail Transport Protocol (SMTP) Robert Rose 03/09/05.

SMTP PROTOCOL CONFIGURATION AND MANAGEMENT Chapter 8.

Fall 2005 By: H. Veisi Computer networks course Olum-fonoon Babol Chapter 7 The Application Layer.

Electronic Mail Originally –Memo sent from one user to another Now –Memo sent to one or more mailboxes Mailbox –Destination point for messages.

IST346 – Servies Agenda  What is ?  Policies  The technical side of  Components  Protocols  architecture  Security.

Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 1 Lesson 17 Domain Name System (DNS)

TCP/IP Protocol Suite 1 Chapter 20 Upon completion you will be able to: Electronic Mail: SMTP, POP, and IMAP Understand four configurations of architecture.

Computer Networks26-1 Chapter 26. Remote Logging, Electronic Mail and File Transfer.

Chapter 12 TCP/IP Protocol BY Dr.Sukchatri Prasomsuk.

McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 25 TCP/IP Protocol Suite: Part 2, Application Layer.

DNS-based Message-Transit Authentication Techniques D. Crocker Brandenburg InternetWorking D. Crocker Brandenburg InternetWorking.

Simple Mail Transfer Protocol (SMTP)

PACKET ANALYSIS WITH WIRESHARK DHCP, DNS, HTTP Chanhyun park.

An Anti-Spam Method with SMTP Session Abort Nariyoshi YAMAI 1 Kiyohiko OKAYAMA 1 Takumi SEIKE 1 Keita KAWANO 1 Motonori NAKAMURA 2 Shin MARUYAMA 3 1 Okayama.

Authentications INBOX Authentication Panel San Jose, CA – 2004 Dave Crocker Brandenburg InternetWorking INBOX Authentication Panel San Jose, CA –

Certified Server Validation (CSV) “ An MTA is talking to me directly. Are they OK?” D. Crocker Brandenburg InternetWorking mipassoc.org/csv 10/8/2015 6:36.

Message Authentication Signature Standards (MASS) BOF Jim Fenton Nathaniel Borenstein.

1 Dr. David MacQuigg, President Open-mail.org Stopping Abuse – An Engineer’s Perspective University of Arizona ECE 596c August 2006.

1 SMTP - Simple Mail Transfer Protocol –RFC 821 POP - Post Office Protocol –RFC 1939 Also: –RFC 822 Standard for the Format of ARPA Internet Text.

SPF/Sender-ID DNS & DDoS Threats Operations Analysis and Research Center for the Internet Douglas Otis November 3, 2007

Module 7: Managing Message Transport. Overview Introduction to Message Transport Implementing Message Transport.

Responsible Submitter An SMTP Service Extension IETF 60 San Diego, CA Harry Katz Microsoft Corp. 8/4/2004.

A Retrospective on Future Anti-Spam Standards Internet Society of China Beijing – September, 2004 Dave Crocker Brandenburg InternetWorking

Module 12 Integrating Exchange Server 2010 with Other Messaging Systems.

Accredited DomainKeys: A Service Architecture for Improved Validation Accredited DomainKeys: A Service Architecture for Improved Validation.

Module 2: Overview of IIS 7.0 Application Server.

Module 5 Planning and Deploying Message Transport in Microsoft® Exchange Server 2010.

Source pictures for document ”Thoughts about increasing spam annoyance” by License: This material may be distributed only subject.

X-ASVP Executive Overview eXtensible Anti-spam Verification Protocol X-ASVP Committee Technical Working Group July 25, 2007.

SMTP Tapu Ahmed Jeremy Nunn. Basics Responsible for electronic mail delivery. Responsible for electronic mail delivery. Simple ASCII protocol that runs.

  is a system of electronic communication that allows the user to exchange messages over the internet  Everyone’s address is unique  Two.

-to-Blog How It Works. This Is The « -to-blog» System Architecture.

Technical Awareness on Analysis of Headers.

EAI: Address Internationalization Harald Alvestrand Xiaodong Lee.

Sender policy framework. Note: is a good reference source for SPFhttp://

IPv4 Dependencies in Applications Area Specifications Margaret Wasserman draft-ietf-v6ops-ipv4survey-apps-01.txt.

SMTP - Simple Mail Transfer Protocol RFC 821

CITA 310 Section 6 Providing Services (Textbook Chapter 8)

X-ASVP Technical Overview eXtensible Anti-spam Verification Protocol X-ASVP Committee Technical Working Group July 22, 2007.

1 Architecture 2 User Agent 3 Message Transfer Agent 4 Message Access Agent 5 MIME 6 Web-Based Mail 7 Electronic Mail Security.

VIRTUAL SERVERS Chapter 7. 2 OVERVIEW Exchange Server 2003 virtual servers Virtual servers in a clustering environment Creating additional virtual servers.

Fighting Spam in an Exchange Environment Tzahi Kolber IT Supervisor - Polycom Israel.

Draft-yoneya-ima-downgrade-01 Downgrading mechanism for Internationalized Address (IMA) 20 Mar 2006 Yoshiro YONEYA Kazunori Fujiwara.

sender policy framework

IETF 66 EAI WG Testing Report

Sender ID: An Overview for Registrars ICANN Vancouver December 1, 2005

draft-gulrajani-pim-hello-intid-00

The Unintended Consequences of Spam Prevention

Presentation transcript:

Sender ID Drafts Jim Lyon Microsoft Corporation 4 August 2004

Overview Who claims to have introduced a message into the ecosystem? Does that person’s domain accept responsibility for the MTA from which the mail came?

Who claims … Find message header, first of: –Resent-Sender –Resent-From –Sender –From This is PRA: Purported Responsible Address

Does Domain Accept Responsibility …? From PRA, extract domain name. Find that domain’s TXT record in DNS. Record describes which MTAs are authorized to speak for the domain.

Current Drafts draft-ietf-marid-core-02 –Describes PRA algorithm, overview draft-ietf-marid-protocol-00 –Describes format and meaning of DNS record. draft-ietf-marid-submitter-02 –Describes optional SMTP extension for performance optimization

draft-ietf-marid-core-02 Changes: –Removal of XML record format. –Record format moved to protocol-00. –Removal of nonstandard headers from PRA algorithm. –Define behavior for malformed headers in PRA algorithm. –Set of results now matches SPF. –Minor editorial changes.