Tag: domain reputation

Google makes connections

One of the client projects I’m working on includes doing a lot of research on MXs, including some classification work. Part of the work involves identifying the company running the MX. Many of the times this is obvious; is office365, for instance. There are other cases where the connection between the MX and the […]

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Back from MAAWG

Had an all too short trip to M3AAWG. It was great to see old friends and meet new folks. I have lots to talk about and a poll to get into the field once I get caught up on client work. While I’m deep in the depths of my inbox, I thought I’d share a […]


Filtering by gestalt

One of those $5.00 words I learned in the lab was gestalt. We were studying fetal alcohol syndrome (FAS) and, at the time, there were no consistent measurements or numbers that would drive a diagnosis of FAS. Diagnosis was by gestalt – that is by the patient looking like someone who had FAS. It’s a […]

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Domain transparency

An email I received this morning got me thinking about how your domain name is one of the main ways you identify yourself if you’re sending email. We talk about domain reputation quite a lot – DKIM and SPF let a sender volunteer a domain name as a unique identifier for recipients to use to […]


Reputation is about behavior

Reputation is calculated based on actions. Send mail people want and like and interact with and get a good reputation. Send mail people don’t want and don’t like and don’t interact with and get a bad reputation.   Reputation is not … about who the sender is. … about legitimacy. … about speech. … about message. […]

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Changes at Yahoo has a blog post from Naeem Kayani at Adknowledge about the recent Yahoo changes. They point to the reputation of the From: address as a factor. I’m not sure anyone knows what exactly Yahoo is doing, but the suggestions from Naeem are good ones.

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