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Monthly Archives: November 2012

Facebook blocking spam: parallels to email filtering

Last month a Dangerous Minds posted numbers that indicated their Facebook posts were reaching fewer users.  They suggested that this was a conspiracy by Facebook to make more money and soak small publishers with “exorbitant” advertising fees. I didn’t pay that much attention to it. I use Facebook to communicate with friends. The only commercial […]

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Spamming is a marketing tactic

A twitter discussion about the use of Re: and FWD: in subject lines for bulk email. The summary appears to be that even marketers hate it when they get mail like that, but if it drives sales then it’s a worthwhile trick. The final tweet says a lot, though.

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Is Spamhaus still relevant?

Today’s Wednesday question comes from a recent discussion on the Only Influencers mailing list. One of the participants asked “Is Spamhaus relevant and necessary? Are they willing to work with marketers?” I think this is an interesting question for a lot of reasons. One is because there’s such a broad range of opinions about Spamhaus […]

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Return Path announces new abuse prevention service

Return Path announced a new product this morning, designed to help mailbox providers stop outbound abuse.

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Gmail sending out warnings for 512 bit DKIM keys

As an update to yesterday’s post, Gmail is contacting postmasters at domains signing with 512 bit keys to warn them of the upcoming changes. This message also clarifies “DKIM keys failing.” Messages signed with 512 bit keys or less will be treated as unsigned by Gmail in the next week or so. Hello, We noticed […]

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Is Google failing DKIM keys shorter than 512 bits?

Today’s Wednesday question comes from Andrew B. and got pushed to Thursday so I could check a few more facts. Have @Gmail yet confirmed the @ReturnPath story that they’ll start failing weak DKIM sigs? RP cites no source: http://goo.gl/Rb5to  @hey4ndr3w The answer is that no one from Gmail has publicly confirmed that they’re failing to […]

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Data Driven Email (and other) Marketing

The frequency of emails from the Obama campaign ended up being a talking point for pundits and late night talk show hosts. Jon Stewart of The Daily show even asked President Obama about email directly during his October 18th interview. (Video, email question at the 5:56 mark) Jon Stewart: “We have been talking here for […]

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How long is your DKIM key?

While we were at M3AAWG, Wired published an article talking about how simple it was to crack DKIM keys. I didn’t post about it at the time because it didn’t really seem like news. DKIM keys smaller than 1024 are vulnerable and not secure and the DKIM spec does not recommend using keys smaller than […]

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Marketing and storms

Never let it be said that marketers can’t take advantage of anything. In this case, there was a lot of commercial email mentioning Hurricane Sandy sent over the last few days. The emails themselves mapped into a number of broad categories. Informational: Emails from hotels, airlines and east coast businesses keeping customers updated about their […]

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Storms, outages and email

There’s been quite a bit of discussion about how Hurricane (Superstorm?) Sandy has affected email delivery over the last week. There are a couple things that may affect delivery at a number of domains. Receiving mailservers hosted in facilities that lost power or connectivity for one reason or another. Most of these issues seem to […]

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