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	Sender Policy Framework - Wikipedia, the free encyclopedia
		If these people use SPF to specify their legitimate senders, the number of error messages may be reduced because receivers implementing SPF will know that the message is forged.
		In particular, if a sender provides SPF information, and the receiver uses it, the receiver has some justification in believing that the email at least came from the domain that it asserts it came from.
		One solution is for the SPF record to specify the forwarder as an allowed sender, but this is problematic because the sender has no idea in general what aliases the receiver might have configured.
	en.wikipedia.org /wiki/Sender_Permitted_From (2112 words)

	Sender ID - Wikipedia, the free encyclopedia
		Sender ID was an anti-spam proposal from the MARID IETF working group that joined Sender Policy Framework and Caller ID.
		The MARID IETF working group stopped their work on the proposed standard on September 23, 2004 because of various problems and major differences between the members of the group.
		SPF Claws Sender-ID. In late August, 2005, changes to the Sender-ID Framework experiment triggered a response from the Sender Policy Framework council that threatened doom for both projects.
	en.wikipedia.org /wiki/Sender_id (149 words)

	Sender authentication is coming \| The Register
		Sender authentication will almost certainly become a de facto standard part of the Internet's email infrastructure over the next few years, but it will not stop the spam problem by itself.
		Sender ID is expected to be relatively simple to deploy, requiring little ongoing maintenance.
		While Sender ID will not be a cure-all for spam or worms, it will probably do a good job of reducing the number of phishing attacks.
	www.theregister.co.uk /2004/07/05/sender_authentication (563 words)

	An E-Mail Marketer's Guide to Deliverability, Part 2: Sender ID
		Sender ID was a lightning rod for discussion at a November 2004 summit on authentication sponsored by the FTC.
		Sender ID was developed by Microsoft, which is in the process of patenting key parts of the technology.
		Senders who have updated their DNS (define) entries to include their SPF records won't necessarily need to publish a new record for Sender ID, though Microsoft recommends ESPs may want to.
	clickz.com /experts/em_mkt/em_mkt/article.php/3482506 (863 words)

	SnertSoft - milter-sender/1.5 for Sendmail
		Senders that successfully pass the MX callback and upgraded grey-listing entries will be cached for the given number of seconds.
		Senders that are rejected by the MX callback will be cached for the given number of seconds.
		However, if the sender is legitimate, but an MX callback failed because of a full mailbox for example, then their mail will be rejected until the cache entry expires.
	www.snertsoft.com /sendmail/milter-sender/index.shtml (6308 words)

	Sender Policy Framework -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-09-19)
		In (The branch of engineering science that studies (with the aid of computers) computable processes and structures) computing, Sender Policy Framework (SPF), formerly Sender Permitted From, is an extension to (Click link for more info and facts about Simple Mail Transfer Protocol (SMTP)) Simple Mail Transfer Protocol (SMTP), the standard Internet protocol for transmitting email.
		PTR - If the sender (Click link for more info and facts about reverse-resolves) reverse-resolves to a domain ending in the domain name, match.
		One solution is for the SPF record to specifically specify the forwarder as an allowed sender.
	www.absoluteastronomy.com /encyclopedia/s/se/sender_policy_framework.htm (1852 words)

	AllRefer.com - RamOn JosE Sender (Spanish And Portuguese Literature, Biography) - Encyclopedia
		RamOn JosE Sender, Spanish And Portuguese Literature, Biographies
		A journalist, Sender fought on the side of the Loyalists in the Spanish civil war.
		Sender's novels, which have received international attention, are marked by profound compassion and by acute consciousness of social injustice; his early style is one of vigorous realism, while later works are in a more symbolic vein.
	reference.allrefer.com /encyclopedia/S/Sender-R.html (225 words)

	Spammers using sender authentication too, study says \| InfoWorld \| News \| 2004-08-31 \| By Paul Roberts, IDG News Service
		Sender ID is a technology standard that closes loopholes in the current system for sending and receiving e-mail that allow senders -- including spammers -- to fake, or "spoof," a message's origin.
		Sender ID is fast becoming the de facto e-mail authentication standard, as Microsoft rallies support from e-mail providers, Internet service providers and e-mail software vendors.
		But Wong, who co-authored both the SPF and Sender ID standards, said that stopping spam was never the intention of SPF or Sender ID. The technology is merely a way to stop one loophole spammers use: source address spoofing.
	www.infoworld.com /article/04/08/31/HNspammerstudy_1.html (1538 words)

	Mazda MX-5 Miata Oil Pressure Sender Replacement (Site not responding. Last check: 2007-09-19)
		The second solution found on miata.net is to use a sender from JC Whitney.
		I found a reference to using a VDO sender rather than that JC Whitney sender on miataforum.com.
		The VDO sender and the thread adapter are considerably larger than the original switch.
	quadesl.com /miata_oil.shtml (1115 words)

	[No title]
		The previous incarnation of SenderID, a combination of Microsoft's "Caller ID for E-Mail" and Meng Wong's Sender Policy Framework (SPF), was shot down due to concerns about the scope of Microsoft patents as well as the licensing terms which were judged to be incompatible with open source.
		Sender ID will also give ISPs the option of using SPF or Purported Responsible Address (PRA) to verify that the e-mail originated where it claims it did.
		It remains to be seen whether the changes Microsoft has made to Sender ID will be far-reaching enough to gain the support of IETF, not to mention the various open source groups which had opposed its previous incarnation.
	arstechnica.com /news.ars/post/20041026-4350.html (393 words)

	4.4.2. SENDER / RESENT-SENDER (Site not responding. Last check: 2007-09-19)
		It is intended for use when the sender is not the author of the message, or to indicate who among a group of authors actually sent the message.
		If the contents of the "Sender" field would be completely redundant with the "From" field, then the "Sender" field need not be present and its use is discouraged (though still legal).
		The Sender mailbox specification includes a word sequence which must correspond to a specific agent (i.e., a human user or a computer program) rather than a standard address.
	www.freesoft.org /CIE/RFC/822/32.htm (211 words)

	[No title]
		Of all of the proposed plans available so far, Sender ID is the strongest, and even the possibility of a an intellectual property lawsuit has done little to taint its reputation.
		In order to promote Sender ID, Microsoft is pleased to offer its necessary Sender ID patent rights on a royalty-free basis but only to those who are also willing to make their Sender ID patents available on a reciprocal royalty-free basis.
		The good news is that Sender ID was already based, in part, on Pobox.com's Sender Policy Framework, which is still free to use and implement.
	arstechnica.com /news.ars/post/20040902-4153.html (622 words)

	Thunderbird Extension for Sender Verification
		This page describes an extension (plugin) for the Mozilla Thunderbird mail program that reports whether the sender of an email in the From: header was actually the sender of the email.
		This is intended to be a tool for users to identify phishing, fradulent emails asking for the user's sensitive data, and zombie-spread viruses claiming to be from someone they are not.
		When a sender is not verified, it does not mean the email is necessarily forged.
	taubz.for.net /code/spf (1614 words)

	[No title]
		SMTP receivers may query sender domains using these mechanisms and decide the validity of a given SMTP transaction while that transaction is ongoing, even before any message data is passed.
		SPF can be used to verify the sender of a message based on envelope information available at SMTP time or according to the headers after an SMTP transaction has completed.
		The rewritten envelope sender can take a variety of forms, depending on whether bounces should be forwarded back to the original sender.
	spf.pobox.com /draft-mengwong-spf-01.txt (7643 words)

	RFC 821 (rfc821) - Simple Mail Transfer Protocol (Site not responding. Last check: 2007-09-19)
		The forward-path is a source route, while the reverse-path is a return route (which may be used to return a message to the sender when an error occurs with a relayed message).
		It is possible for the mailbox in the return path be different from the actual sender's mailbox, for example, if error responses are to be delivered a special error handling mailbox rather than the message senders.
		The sender should not close the transmission channel until it send a QUIT command and receives the reply (even if there was an error response to a previous command).
	www.faqs.org /rfcs/rfc821.html (10186 words)

	unsolicitedDave: SMTP Sender Authentication
		My proposal is to do sender authentication at the SMTP level, with a compatible extension to the implementation.
		The additional requirement that bounces to spam messages be sent to the envelope sender assures that an authenticated sender has responsibility for handling the spam they originate, and it assures an unauthenticated sender has incentive and information about how to become authenticated.
		Users would no longer be allowed to 'forge' envelope senders from another domain (whether it was their or not) through an email account.
	www.radwin.org /jeske/archives/000345.html (521 words)

	Bonded Sender (Site not responding. Last check: 2007-09-19)
		Given an email sender's IP address in its dotted-quad form, the octets are reversed and queried under the query.bondedsender.org domain.
		For senders, after registering your address with the Bonded Sender program, simply do a DNS lookup to verify that your address has been successfully registered.
		Bonded Sender is a trademark of Return Path, Inc. All other trademarks are property of their respective owners.
	www.bondedsender.org (1601 words)

	Sender ID Declines, Domain Keys Shines
		Sender Policy Framework is a simple principle that's been promoted for many months by Meng Wong, the CTO of the Pobox.com e-mail service.
		Unlike Sender ID, which Libbey says has tricky implementation issues for messages that are forwarded from one server to another, Domain Keys doesn't interfere with forwarding at all.
		Microsoft's Sender ID proposal hasn't been dealt a death blow, but it's at least limping from the highly public Sept. 11 vote against it by a working group of the IETF (Internet Engineering Task Force) standards body.
	itmanagement.earthweb.com /columns/executive_tech/article.php/3413611 (1617 words)

	CipherTrust - Sender Policy Framework Statistics
		The new study shows that corporations are steadily adopting Sender ID, with 23 additional Fortune 1000 companies publishing SPF records since CipherTrust last reported on the deployment of the e-mail authentication standard in August, representing an increase of nearly 75 percent in three months.
		In fact, the recent increase in the adoption of Sender ID has increased the number of spam messages blocked by checking SPF records by 230% since June of this year.
		Additionally, while some have raised concern around spammers publishing their own SPF records, a major benefit of that is the enhancement of enforcement and investigative efforts by having the ability to verify the identity of the sender.
	www.ciphertrust.com /resources/statistics/spf_stats.php (329 words)

	[No title]
		If the senders domain is listed in the freemail_access file, the restriction class causes the client host to be checked to see if it, too, is one of the freemail hosts.
		If it's not (e.g.: sender claims to be from yahoo.com and the client host is really in spamhaven.net), the terminating reject rule kills it.
		There are a number of scenarios where a sender from outside mynetworks might legitimately have an envelope-sender address in (one of) your domain(s).
	jimsun.linxnet.com /misc/postfix-anti-UCE.txt (5903 words)

	Cover Pages: Apache Software Foundation Rejects Microsoft Patent License Agreement for Sender ID.
		Microsoft also is requiring Sender ID implementers to sign a license agreement to protect those unspecified patents, the terms of which have the open source community up in arms.
		Sender ID Technology May not be Effective at Stopping Spam, Survey Finds." By Paul Roberts.
		The purpose of the list is to discuss the creation of a mechanism to identify authorized senders for email from a domain, as a complement to the use of the MX RR.
	xml.coverpages.org /ni2004-09-03-a.html (4641 words)

	ASF Position Regarding Sender ID - The Apache Software Foundation
		The current Microsoft Royalty-Free Sender ID Patent License Agreement terms are a barrier to any ASF project which wants to implement Sender ID. We believe the current license is generally incompatible with open source, contrary to the practice of open Internet standards, and specifically incompatible with the Apache License 2.0.
		The requirement that Microsoft Sender ID patent licenses be formally executed (e.g., S6.10) is incompatible with the way the open source development and distribution process actually works.
		We will not be implementing support for Sender ID until such time as the issues with the license are fixed and acceptable to the Apache James and Apache SpamAssassin Project Management Committees.
	www.apache.org /foundation/docs/sender-id-position.html (986 words)

	Did AOL Jump the Gun With Sender ID? (Site not responding. Last check: 2007-09-19)
		As internetnews.com first reported Wednesday, AOL Spokesperson Nicholas Graham said the ISP (define) was withdrawing its support for for the Sender ID protocol for two reasons: lack of support from the open source community and Microsoft's decision to discard one e-mail verification standard for another.
		David Anderson, president and CEO of Sendmail, the company that develops a commercial version of the highly-popular open source version of the same name and Sender ID proponent, said AOL's departure is a blow to technology's adoption as a universal standard for e-mail authentication, though not a death knell.
		Microsoft also is requiring Sender ID implementers to sign a license agreement to protect those unspecified patents, the terms of which -- mainly the sub-licensing and non-transferability clauses -- have the open source community up in arms.
	www.internetnews.com /ent-news/article.php/3409261 (1297 words)

	sendmail.net (Site not responding. Last check: 2007-09-19)
		Sendmail is currently working with a number of the world's largest email sites to add a layer of authentication and accountability to the network so that it will be possible for receivers to validate that a message actually came from where it claims to have come from.
		These new proposals, known collectively as "Email Sender Authentication", will give receivers the information they need to protect themselves from spoofed email addresses, and lay the groundwork for a much more reliable process of accepting mail into an inbox than is possible with today's content filtering approaches.
		His presentation: "Beyond Sender ID Framework: Cryptography-Based Email Authentication" will review some of the potential drawbacks of path-based authentication schemes and how operational problems can be solved by using cryptographic signatures.
	www.sendmail.net (541 words)

	Sender ID, Will Microsoft Own E-Mail?
		Even though the term "Sender ID specification" is presently defined in "Microsoft's royalty free license," there is nothing in the letter to preclude Microsoft from amending this definition to fit with any patent rights which Microsoft may subsequently be granted.
		Taken in context, by not stating "the Sender ID specification under Microsoft's Royalty Free License, it being clearly understood Microsoft disclaims any intellectual property interest in sender authentication methods based on SMTP mailfrom, EHELO/HELO or the IP address," the statement made is certainly ambiguous.
		On November 1, 2004 the revised specifications for the Sender ID Framework were submitted to the IETF for review by the technical directorate to be created by the Area Directors.
	www.learnsteps4profit.com /wme.html (3515 words)

	Sender ID Home Page
		The Sender ID Framework is an e-mail authentication technology protocol that helps address the problem of spoofing and phishing by verifying the domain name from which e-mail is sent.
		Sender ID validates the origin of e-mail by verifying the IP address of the sender against the purported owner of the sending domain.
		The Sender ID framework, developed jointly by Microsoft and industry partners, addresses a key part of the spam problem: the difficulty of verifying a sender's identity.
	www.microsoft.com /mscorp/safety/technologies/senderid/default.mspx (173 words)

	Ramón José Sender -- Britannica Student Encyclopedia
		His works were banned in his country for many years because of his liberal political views.
		Ramón José Sender was born on Feb. 3, 1902, in Alcolea de Cinca, Spain.
		In about 1000 BC, in Byblos and other Phoenician and Canaanite centers, the sign was given a linear form (3), the source of all later forms.
	www.britannica.com /ebi/article-9336141 (765 words)

	Batch Sender: batch tool to mail your emails
		Batch Sender is a command line tool, that can run on Windows (DOS), Solaris, Linux, AIX, HPUX (if you need we can make a special executable for other OS like Mac OS X, SCO, BSD, IRIX, Tru64,...) in the same way.
		Batch Sender is the program you are looking for if you have an old script, program that works in every OS and you'll need too much time to develop the email support.
		If after that time you like Batch Sender or would like to continue using it, we ask you please to purchase it or remove it from your system.
	www.pivari.com /batch-sender.html (750 words)

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