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Topic: DomainKeys

	Mail::SpamAssassin::Plugin::DomainKeys - perform DomainKeys verification tests
		This is the DomainKeys plugin and it needs lots more documentation.
		Use this to supplement the whitelist_from addresses with a check to make sure the message has been signed by a DomainKeys signature that can be verified against the From: domain's DomainKeys public key.
		Since this whitelist requires a DomainKeys check to be made, network tests must be enabled.
	spamassassin.apache.org /full/3.1.x/doc/Mail_SpamAssassin_Plugin_DomainKeys.html (198 words)

	delany-domainkeys-base-06.txt
		DomainKeys overview Under DomainKeys, a domain owner generates one or more private/public key-pairs that will be used to sign messages originating from that domain.
		DomainKeys detailed view This section discusses the specifics of DomainKeys that are needed to Delany Expires January, 2007 [Page 9] Internet-Draft DomainKeys July 2006 create interoperable implementations.
		As far as DomainKeys is concerned, email of this nature clearly originates from an email server that does not have authority to send on behalf of the domain of the salesperson and is therefore indistinguishable from a forgery.
	ietfreport.isoc.org /idref/draft-delany-domainkeys-base (9603 words)

	DomainKeys - Wikipedia, the free encyclopedia
		DomainKeys is independent of Simple Mail Transfer Protocol (SMTP) routing aspects in that it operates on the RFC 2822 message -- i.e., the transported mail data, header and body -- not the SMTP envelope defined in RFC 2821.
		Because it is implemented using optional RFC 2822 headers and DNS records, DomainKeys is backwards-compatible with the existing E-mail infrastructure.
		One of the problems with DomainKeys is that if the message is significantly modified en route by a forwarding mechanism such as a list server, then the signature may no longer be valid and, if the domain specifies that all email is signed, the message may be rejected.
	en.wikipedia.org /wiki/DomainKeys (1333 words)

	Merak Email Server by IceWarp (Site not responding. Last check: 2007-10-18)
		DomainKeys technology, originally designed by Mark Delany of Yahoo!, has quickly become a bell-ringer among the mail-server programmers and developers.
		DomainKeys technology is a proposed email authentication system for validating and proving authenticity of the domain of an email sender and also the message consistency and completeness.
		But, DomainKey technology is more complex than SPF, because it can also ensure that the content of the email was not changed or altered in any way during the SMTP transit.
	www.icewarp.com /about_us/technologynews/domainkeys_webversion.php (758 words)

	Test Finds DomainKeys' Cost Less Than Expected
		DomainKeys is a public-private encryption system that assigns e-mail messages a digital signature in the header containing a private key.
		DomainKeys, however, is thought of as the more sophisticated solution because it authenticates the entire message, not just the sender.
		The test also found DomainKeys used 15.2 percent more processing power for inbound messages, which Olson said would be similar for Sender ID because both need to check Domain Name System records.
	www.dmnews.com /cms/dm-news/internet-marketing/30098.html (744 words)

	PHPNuke-Downloads >> Yahoo Guide
		DomainKeys is independent of Simple Mail Transfer Protocol (SMTP) routing aspects, it operates on the RFC 2822 message, the transported mail data, header and body, not the SMTP envelope defined in RFC 2821.
		With DomainKeys, the absence of a verifiable digital signature header in an E-mail purporting to be from a domain which has a DomainKeys DNS record may indicate that that E-mail is a forgery.
		One of the problems with DomainKeys is that if the message is significantly modified en route by a forwarding mechanism such as a list server, then the signature may no longer be valid and the message may be rejected.
	phpnuke-downloads.com /Yahoo_guide_DomainKeys.html (1099 words)

	Gmail jibes with Yahoo to fight spam \| CNET News.com
		Messages from Gmail sent Monday indicated that they were encoded with DomainKeys technology, as evidenced by logs in the message headers.
		DomainKeys is a technology backed by Yahoo that tries to cross-check e-mail messages to verify their origination.
		DomainKeys is a proposed system that attaches encrypted digital tags to each e-mail, then compares them to a public database of legitimate Internet addresses.
	news.com.com /Gmail+jibes+with+Yahoo+...+spam/2100-1032_3-5415306.html (507 words)

	DomainKeys Set to Send Mail
		DomainKeys is a cryptographic-based e-mail authentication technology that inserts a digital signature into every message to guarantee it was not changed in transit and to verify the original sender of the message.
		Yahoo is openly developing the DomainKeys library for e-mail servers and clients on a SourceForge-listed project.
		In addition to Yahoo's DomainKeys initiative, Microsoft's e-mail authentication scheme, SenderID, has also garnered a lot of media attention, although neither of these initiatives are the first (nor likely the last) to help protect against forged e-mails.
	www.insideid.com /id_management/article.php/3395921 (1030 words)

	MDaemon's Primary Features. Versatile Email Server for Windows. MDaemon® v8.0.
		DomainKeys is an email verification system that can be utilized to prevent spoofing (forging another person's email address in order to pose as a different message sender).
		Finally, DomainKeys can also be used to ensure the integrity of incoming messages, or ensure that the message hasn't been tampered with between the time it left the sender's mail server and arrived at yours.
		When this check box is enabled and the DomainKeys verification process returns a "Fail" result, MDaemon will return the 550 code and reject the message during the SMTP process unless the sending domain's DomainKeys Policy indicates that it is merely testing DomainKeys.
	www.internetaccessmonitor.com /eng/support/docs/mdaemon/c9s6.php (1573 words)

	Sender ID, DomainKeys Are Hammering Spam
		The geometric adoption rates for Sender ID and DomainKeys demonstrates what can happen when the two kings of the e-mail jungle, Microsoft and Yahoo, start howling and beating their chests.
		DomainKeys provides a much greater level of assurance for e-mail than does Sender ID. Publishing an SPF record says that only certain IP addresses are authorized to send legitimate messages originating from a company.
		DomainKeys confirms not only that a message came from an recognized server but that it was authorized by someone in the company and was not altered in transit.
	itmanagement.earthweb.com /columns/executive_tech/article.php/3604761 (1595 words)

	SKYLIST \| SKYLIST First to Authenticate Outbound Email Using DomainKeys
		The DomainKeys technology inserts a digital signature into the header of each message that protects the sender from having a spammer hijack their domain name and brand.
		DomainKeys is more complex to implement than Sender ID or SPF (competing technologies endorsed by Microsoft and America Online, respectively) but handles cases of mail forwarding and other technical details better than the non-cryptographic solutions.
		SKYLIST is driving adoption of emerging standards such as DomainKeys, Sender ID, SPF and email sender reputation and actively engaged in dialogues and initiatives involving current and forthcoming legislation including CAN-SPAM.
	www.skylist.com /news/press/domainKeys.php (367 words)

	DomainKeys (Site not responding. Last check: 2007-10-18)
		The idea is to verify that the mail really comes from the official server handling this email address, to be sure it is not a forged email.
		DomainKeys signing is based on Private/Public key pair.
		CERN Mail Service has implemented a DomainKeys library in C#.NET, and is currently testing it on SMTP gateways running MS Exchange 2003.
	mmmservices.web.cern.ch /mmmservices/Antispam/DomainKeys.aspx (258 words)

	Using LISTSERV with DomainKeys
		DomainKeys support has already been configured in DNS for the domains you will be signing for, per the DomainKeys documentation. For your convenience, we have excerpted the relevant section from the Internet Draft for DomainKeys below.
		Internet Draft for DomainKeys, these variables specify the domain for which you are signing ("d=") and the "selector" that is used to form the query for the public key ("s="). For instance, let’s say that your public key is registered as follows in the DNS:
		Double DomainKeys signatures are disallowed in most cases and, even when allowed, there is a risk that they may not be handled correctly by all implementations.
	www.lsoft.com /manuals/1.8e/LISTSERV-DKIM-config.html (1479 words)

	PC World - Yahoo Takes Aim at Spam
		The Yahoo technology is called DomainKeys and targets the spammers' practice of spoofing, or changing an e-mail message's header information so it appears to have been sent by someone else.
		Yahoo's DomainKeys is designed to let receiving e-mail systems confirm that a message in fact originated from a user authorized to send e-mail for the domain stated in the header.
		Of course, a legitimate organization that doesn't use DomainKeys will be unable to embed the private-key validation in its outgoing messages, leading these messages to fail the validation test at recipient systems that do use DomainKeys.
	www.pcworld.com /news/article/0,aid,113789,00.asp (764 words)

	ClickZ: An E-Mail Marketer's Guide to Deliverability, Part 3: DomainKeys
		DomainKeys takes email authentication a step further than SPF and Sender ID. Like these technologies, DomainKeys uses information published in a sender's DNS (define) record.
		DomainKeys allow the recipient to set their own delivery policies; DomainKeys may be one element, weighted according to other anti-spam policies that may be in place.
		Most industry experts agree DomainKeys is a more comprehensive solution than SPF or Sender ID. But they'll also say while due diligence has been conducted on the technology, there's currently not enough industry support to make it a viable solution.
	www.clickz.com /showPage.html?page=3485571 (1151 words)

	Yahoo Mail Adds Authentication, Storage - Security Technology News by TechWeb (Site not responding. Last check: 2007-10-18)
		DomainKeys is one of several authentication technologies that hope to put a stop to spoofed addresses, which are used by both spammers and phishers to disguise their true identities.
		Although DomainKeys is Yahoo's homegrown technology, other companies, including Google and American Online, have shown interest in the authentication protocol.
		DomainKeys uses cryptographic techniques to verify the identity of the sender, a process invisible to the end user, since it's implemented at the server level.
	www.techweb.com /wire/security/52601623 (359 words)

	Yahoo Releases Specs for DomainKeys
		Yahoo filed DomainKeys' technical specifications this week with the Internet Engineering Task Force, which is used to develop Web-wide standards.
		DomainKeys is one of three authentication technologies championed to ensure the true identity of an e-mail sender.
		DomainKeys is a public-private encryption system that operates without a third-party certification agency.
	www.dmnews.com /cms/dm-news/internet-marketing/27848.html (585 words)

	DomainKeys Authentication Standard Doesn't Hammer Servers - Technology News by TechWeb
		By Yahoo's DomainKeys, a rival to the Microsoft-backed Sender ID authentication scheme, has a minimal impact on e-mail server performance, according to benchmarks released Monday by a messaging management firm.
		Sendmail claimed that the hit on server performance by running DomainKeys, which inserts an encrypted signature into every message, is about 7.8 percent on outbound mail and 15.2 percent on inbound traffic.
		On a tuned Linux e-mail server, the open-source dk-milter should be able to deliver over 100 messages per second, a pace that means sender authentication shouldn't cause a noticeable bottleneck, said Sendmail.
	www.techweb.com /wire/story/TWB20040809S0004 (207 words)

	Domainkeys - Qmail-Toaster
		Once information is retrieved for a domain, it is cached locally for some period of time, saving network and DNS resources and improving the toaster's performance.
		The "_domainkey.yourdomain.com" part declares that this is the domainkey policy for the domain, and the options are in the TXT part.
		Now you have domainkeys set up on your qmail-toaster server, your public key on your dns server, and your caching nameserver up and running.
	wiki.qmailtoaster.com /index.php/Domainkeys (1301 words)

	Section 24 Authenticating Message Origin with DomainKeys
		LISTSERV Maestro allows you to use DomainKeys signatures to authenticate that the messages (sent for a specific email job) do indeed originate from the domain in the “From:” address.
		Once DomainKeys has become an accepted standard for message origin verification, the current policy of only informing the recipient about the DomainKeys verification result in an additional header entry may change, and an ISP may opt to not even deliver the message to the recipient or to mark it as coming from an unsure origin.
		On the other hand, not using DomainKeys may cause deliverability problems in the future if many of your subscribers have accounts with ISPs that enforce DomainKeys signatures on incoming mails or mark mails that lack such a signature as “coming from unsure origin” to warn the user about possible forgery or a phishing attempt.
	www.lsoft.com /manuals/Maestro/2.1/Admin/WebHelp/Section_24_Authenticating_Message_Origin_with_DomainKeys.htm (875 words)

	PRESS RELEASE IronPort Systems and Industry Leaders Propel DomainKeys Identified Mail Adoption (Site not responding. Last check: 2007-10-18)
		DomainKeys provides a mechanism for email senders to digitally sign their messages and for email receivers to use the digital signature to verify the legitimacy of the message.
		DomainKeys technology provides an immediate ROI by reducing the financial impact of clean up costs due to phishing and email spoofing," continued Gillis.
		DomainKeys technology helps us secure a communication channel that is core to our business and also extends our leadership in the technology industry," said Larry Kiernan, Vice President of Global Technology Engineering and Services at Dell.
	www.marketwire.com /mw/release_html_b1?release_id=123768 (762 words)

	Sendmail DomainKeys
		DomainKeys is an authentication framework which stores public-keys in DNS and digitally signs emails on a domain basis.
		DomainKeys uses the email headers and body to generate a signature.
		If the subject line is rewritten or text is appended to the message body after it has been signed, the domainkeys verification fails.
	www.elandsys.com /resources/sendmail/domainkeys.html (1982 words)

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