Response to a Deliverability Rant Justin Foster from WhatCounts, an email service provider based in Seattle, wrote a very lengthy posting about email deliverability on the WhatCounts blog yesterday. There’s some good stuff in it, but there are a couple of things I’d like to clarify from Return Path‘s perspective. Justin’s main point is spot-on. Listening to email service providers talk about deliverability is a little bit like eating fruit salad: there are apples and oranges, and quite frankly pineapples and berries as well. Everyone speaks in a different language. We think the most relevant metric to use from a mailer’s perspective is inbox placement rate. Let’s face it – nothing else matters. Being in a junk mail folder is…