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Monthly Archives: April 2019

Delivery is not dependent on authentication

All too often folks come to me with delivery problems and lead off with all of the things they’ve done to send mail right. They assure me they’re using SPF and DKIM and DMARC and they can’t understand why things are bad. There is this pervasive belief that if you do all the technical things […]

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The many meanings of opt-in

An email address was entered into our website An email address was associated with a purchase on our website. We have a relationship with a 3rd party that shares email addresses with us. We have a cookie on a web browser that visited out website and we sent an email to the address associated with […]

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Email filters and small sends

Have you heard about the Baader-Meinhoff effect? The Baader-Meinhof effect, also known as frequency illusion, is the illusion in which a word, a name, or other thing that has recently come to one’s attention suddenly seems to appear with improbable frequency shortly afterwards (not to be confused with the recency illusion or selection bias). Baader–Meinhof […]

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