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Posts Tagged ‘authentication’

AOL to Begin Checking for DKIM

Friday, November 14th, 2008

Word-to-the-wise reports that AOL will begin checking for DKIM Authentication sometime in 2009, as discussed in a recent ESPC call. They’re using DKIM to evaluate your overall “IP reputation” (check out the AOL blog for more on that). MailChimp customers, no need to worry. DKIM Authentication is included by default (and is free) in all MailChimp campaigns (that’s what this box means, in case you were wondering):

How Fast Can Spammers Harvest Your Emails?

Monday, February 18th, 2008

FTC Spam Summit Harvested Emails

Reading through the FTC Spam Summit Report (472k PDF), I came across an interesting study they did, buried way back in the Appendix.

To determine how effective ISP spam filters are, they created 150 fresh new email addresses, and posted them at 50 locations around the Internet:

“The 50 Internet locations included websites controlled by the FTC and several popular message boards, blogs, chat rooms, social networking sites, video posting sites, and sites with user-generated content that had high hit/visit rates.”

Then they measured how much spam they got, how fast, and how much their ISPs’ spam filters blocked…

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Will Yahoo block messages that aren’t authenticated?

Tuesday, February 12th, 2008

yahoo-mail-guy.gifHere’s an interesting article about email authentication over at NetworkWorld: Will Yahoo block messages that aren’t signed?

For years, ISPs have been a little vague about how they’re going to handle authentication. Will it be used to block email? Does every legit email marketer need to authenticate their messages? Do ESPs need to offer it to all our clients?

Network World Senior Editor Carolyn Duffy Marsan interviewed Mark Risher, anti-abuse product manager for Yahoo Mail, and asked some blunt questions, like:

  1. What benefits does DKIM provide?
  2. A year from now, will you be stopping a lot of mail at the front gate because of DKIM?
  3. Will you send non-authenticated email through more filtering?

Risher also shared the following:“We have seen aggressive uptake of DomainKeys. More than 40% of our inbound traffic to Yahoo Mail is using DomainKeys. That’s more than 1 billion messages a day with the open source version. DKIM is its successor. …Within 18 months, all of the top financial institutions will use DKIM.”

FYI, MailChimp offers both DKIM and Domain Keys (along with SPF and SenderID) for free. Just check a box, and bam—you’re authenticated.

Email Authentication by ISP

Thursday, February 7th, 2008

A few of our customers have been asking us about this bit of news from ReturnPath: AOL Changes Authentication and Whitelist Standards.

According to George Bilbrey, AOL, Gmail, and Yahoo have implemented DKIM email authentication.

For those of you who don’t know, authentication is a way to prevent email forgeries, and it can improve your deliverability. The AOTA says Authentication has hit its “tipping point.”

Since 2004, when email authentication started to really pick up steam, ISPs have been testing (and changing) their support for authentication. Some use one method for inbound, and another for outbound. Some support all methods of authentication. Some have abandoned it, or are in limbo. It can be confusing.

So we compiled a chart of which ISPs are using which authentication methods over here. Email Authentication by ISP chart

Of course, we’ve also made authentication “MailChimp Easy:” Our customers can authenticate their email campaigns with one simple click, and we cover all the major authentication standards (DKIM, Domain Keys, SenderID, and SPF).

Email Authentication Hits Tipping Point

Thursday, January 31st, 2008

One-click AuthenticationGot this message from the ESPC.

“The adoption of e-mail and domain authentication has reached its tipping point, exceeding 50% in several key metrics, according to the Authentication and Online Trust Alliance. The report found that 51% of the Fortune 500’s consumer-facing brands, 52% of the Fortune 500’s consumer-facing financial service brands and 54% of the top 300 brands in the Internet retailer segment are all using some form of e-mail authentication.”

You can read more about Authentication and how it affects consumer trust over at DMNews.

If you’re a MailChimp customer, you can authenticate all your email campaigns, just like the Fortune 500 brands do. It’ll make your emails look more trustworthy, and it’ll sometimes help you get through corporate email firewalls. And you can do this with one simple click. Here’s how to activate it (it’s free for all MailChimp customers).

http://www.mailchimp.com/nonrestrictiveocean.php