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Tag: Return Path Certified

Images at Yahoo

For a while, Yahoo was giving preferential “images always on” treatment to Return Path Certified senders. The tricky part of this was the senders had to register a DKIM selector key with Yahoo. I had a lot of (somewhat rude) things to say about this particular design decision. Over the last few months, a number […]

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Return Path acquires OtherInbox

This morning Return Path announced they have acquired OtherInbox. OtherInbox is a service that allows subscribers to create tagged email addresses and organize incoming mail. Acquiring OIB gives Return Path access to recipient behaviour that only the ISPs had previously. According to the press release, Return Path will be using engagement data from OIB as […]

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Marketing or spamming?

A friend of mine sent me a copy of an email she received, asking if I’d ever heard of this particular sender. It seems a B2B lead generation company was sending her an email telling her AOL was blocking their mail and they had stopped delivery. All she needed to do was click a link […]

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Goodmail alternatives

A number of Goodmail customers are scrambling to identify alternatives now that Goodmail is shutting down. There are two companies in the field offering similar services. Return Path offers Return Path Certified. A number of large ISPs accept Return Path certification, including Yahoo, Hotmail and Comcast. IP addresses that are certified are not guaranteed to […]

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Public reputation data

IP based reputation is a measure of the quality of the mail coming from a particular IP address. Because of how reputation data is collected and evaluated it is difficult for third parties to provide a reputation score for a particular IP address. The data has to be collected in real time, or as close […]

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Return Path Changes certification standards

Return Path recently announced changes to their certification program. They will no longer be certifying 3rd party mailers. We will no longer certify mail streams which are strictly comprised of “third-party marketing” email (e.g., email-based advertising that is not accompanied by content and is sent on behalf of a different company than the one to […]

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Yahoo turns on images by default for RP certified IPs

ReturnPath announced today that images and links from Return Path Certified senders are turned on by default in the Yahoo mail interface. This affects many of the other domains using Yahoo for mail hosting including Bellsouth, SBC, Rogers, BT Internet and Rocketmail. Overall, I think this is something that Return Path can be proud of. […]

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  • ReturnPath on DMARC+Yahoo

    Over at ReturnPath Christine has an excellent non-technical summary of the DMARC+Yahoo situation, along with some solid recommendations for what actions you might take to avoid the operational problems it can cause.No Comments


  • AOL problems

    Lots of people are reporting ongoing (RTR:GE) messages from AOL today.  This indicates the AOL mail servers are having problems and can't accept mail. This has nothing to do with spam, filtering or malicious email. This is simply their servers aren't functioning as well as they should be and so AOL can't accept all the mail thrown at them. These types of blocks resolve themselves. 1 Comment


  • Fixing discussion lists to work with new Yahoo policy

    Al has some really good advice on how to fix discussion lists to work with the new Yahoo policy. One thing I would add is the suggestion to actually check dmarc records before assuming policy. This will not only mean you're not having to rewrite things that don't need to be rewritten, but it will also mean you won't be caught flat footed if (when?) other free mail providers start publishing p=reject.No Comments


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