Digg it UP - Sender ID Framework: Fighting Deceptive Tactics Used By Spammers

What is Sender ID Framework?:

Sender ID Framework (SIDF) checks the address of the server sending the e-mail against a list of servers that the domain owner or e-mail recipient allows to send e-mail. This comparison is performed by the Internet Service Provider (ISP) or by the recipient's mail server before the e-mail is delivered. If the sender's ID is validated, the e-mail is sent. If the ID is not validated, the message may be refused by the receiving server or flagged or sorted into a separate folder for the user.

This technology, which will not be patented by Microsoft, incorporates Microsoft's own Purported Responsible Address (PRA), also known as Caller ID, as well as Sender Policy Framework (SPF), developed by Meng Wong of Pobox.com, and a third specification called Submitter Optimization.

Benefits:

With SIDF, an organization's domain and brand integrity will be protected against spoofing by validating the origin of e-mail. SIDF will also serve as a foundation for the reliable use of domain names in accreditation, reputation systems, and safe lists. There are already several implementations of SPF, and several major players currently use SPF to protect their e-mail systems, including AOL, Symantec, GNU, W3C, Google, and SAP. SIDF will be backward compatible with systems that already implement and use SPF.

How it Works:

What is Sender ID Framework?:

Sender ID Framework (SIDF) checks the address of the server sending the e-mail against a list of servers that the domain owner or e-mail recipient allows to send e-mail. This comparison is performed by the Internet Service Provider (ISP) or by the recipient's mail server before the e-mail is delivered. If the sender's ID is validated, the e-mail is sent. If the ID is not validated, the message may be refused by the receiving server or flagged or sorted into a separate folder for the user.

This technology, which will not be patented by Microsoft, incorporates Microsoft's own Purported Responsible Address (PRA), also known as Caller ID, as well as Sender Policy Framework (SPF), developed by Meng Wong of Pobox.com, and a third specification called Submitter Optimization.

Benefits:

With SIDF, an organization's domain and brand integrity will be protected against spoofing by validating the origin of e-mail. SIDF will also serve as a foundation for the reliable use of domain names in accreditation, reputation systems, and safe lists. There are already several implementations of SPF, and several major players currently use SPF to protect their e-mail systems, including AOL, Symantec, GNU, W3C, Google, and SAP. SIDF will be backward compatible with systems that already implement and use SPF.

How it Works: Online Article Authors Should Write More Location Based Articles
It has recently come to my attention while traveling thru Tucson AZ that the United States Census is more than just a good resource for information. I was shopping in a grocery store in Tucson AZ and I met a gentleman who was in charge of demographic questionnaires for the United States Census Bureau. We got to talking about how valuable this information was for businesses and our economy.Indeed, I must say I agreed with him and then I thought as an online article author this information is also very valuable. The US Provider (ISP) or by the recipient's mail server before the e-mail is delivered. If the sender's ID is validated, the e-mail is sent. If the ID is not validated, the message may be refused by the receiving server or flagged or sorted into a separate folder for the user.

This technology, which will not be patented by Microsoft, incorporates Microsoft's own Purported Responsible Address (PRA), also known as Caller ID, as well as Sender Policy Framework (SPF), developed by Meng Wong of Pobox.com, and a third specification called Submitter Optimization.

Benefits:

With SIDF, an organization's domain and brand integrity will be protected against spoofing by validating the origin of e-mail. SIDF will also serve as a foundation for the reliable use of domain names in accreditation, reputation systems, and safe lists. There are already several implementations of SPF, and several major players currently use SPF to protect their e-mail systems, including AOL, Symantec, GNU, W3C, Google, and SAP. SIDF will be backward compatible with systems that already implement and use SPF.

How it Works: A New View of Yellow Page Marketing
If your community is like most, when you open the Yellow Pages to your industry’s section, you find the following:• Anywhere from five to 70 pages of ads (depending on the number of companies doing your kind of business)• The front part of the section is filled with full page or even two full page ads• If there is a graphic in the ad, it is either a picture of the business owner or store front or logo• If there is any sort of a “headline” on the ad, it is either the name of the company or a generResponsible Address (PRA), also known as Caller ID, as well as Sender Policy Framework (SPF), developed by Meng Wong of Pobox.com, and a third specification called Submitter Optimization.

Benefits:

With SIDF, an organization's domain and brand integrity will be protected against spoofing by validating the origin of e-mail. SIDF will also serve as a foundation for the reliable use of domain names in accreditation, reputation systems, and safe lists. There are already several implementations of SPF, and several major players currently use SPF to protect their e-mail systems, including AOL, Symantec, GNU, W3C, Google, and SAP. SIDF will be backward compatible with systems that already implement and use SPF.

How it Works: Before You Sell Your Heavy Equipment Business
The biggest mistake business owners make is waiting too long to sell. Have you ever heard, “I sold my business to early?” Compare that with the number of times you've heard somebody say, “I should have sold my business two years ago.” Unfortunately, waiting too long is probably the single biggest factor in reducing the proceeds from the sale of a privately held business. The erosion in business value typically is most pronounced in that last year before exiting.The decision to sell is often times a reactive decisor the reliable use of domain names in accreditation, reputation systems, and safe lists. There are already several implementations of SPF, and several major players currently use SPF to protect their e-mail systems, including AOL, Symantec, GNU, W3C, Google, and SAP. SIDF will be backward compatible with systems that already implement and use SPF.

How it Works:

In order for an organization to implement SIDF for its e-mail system, the organization (email sender) first publishes the IP addresses of outbound e-mail servers in DNS via a SPF record. This is done by systems administrators with little or no hard costs or technical overhead. If e-mail forwarding or e-mail intermediaries are involved, outbound e-mail servers will require software to identify their own domains.

When messages are sent, receivers must determine which domain(s) to check-typically either the "purported responsible domain" from the message body or the "envelope from" domain. Receivers then query DNS for the outbound e-mail servers of the chosen domain and perform the domain spoofing test. This requires software for inbound e-mail gateway servers, as well as optional client software to display the results of the domain checking.

A match of the sender's domain with an SPF record means that the domain was not spoofed or forged. The e-mail will then be forwarded onto additional filters for other spam. A failed match means a spoofed domain and a rejected e-mail.

Summary:

SIDF targets one of the most pernicious forms of spam-the fraudulent use of legitimate and reputable domains to deceive e-mail recipients. Although not a comprehensive solution to spam, SIDF is surely an important first step towards cleaning up the current e-mail system.

About Jonathan Coupal:

Jonathan Coupal is the Vice President and Chief Technology Officer of

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