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Monthly Archives: June 2010

ESPs, Non-portable Reputation and Vendor Lock-in

I’ve seen some mentions recently of ESPs suggesting that if you use your own domain in the From: of mail you send through an ESP then that ESP can’t “do email authentication” properly unless they require you to edit your domains DNS settings. That’s not really so, but there is a kernel of truth in […]

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Gmail and the PBL

Yesterday I wrote about the underlying philosophy of spam filtering and how different places have different philosophies that drive their filtering decisions. That post was actually triggered by a blog post I read where the author was asking why Gmail was using the PBL but instead of rejecting mail from PBL listed hosts they instead […]

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Why do ISPs do that?

One of the most common things I hear is “but why does the ISP do it that way?” The generic answer for that question is: because it works for them and meets their needs. Anyone designing a mail system has to implement some sort of spam filtering and will have to accept the potential for […]

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XXX coming to a mailbox near you… eventually

ICANN voted to advance the .xxx TLD proposal today. As one might expect, this is a sponsored TLD intended for use porn and adult sites. This doesn’t mean that .xxx domains will be available immediately, there are still multiple steps in the process. The next step is for ICANN to investigate the business model of […]

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Delivery Jobs

There are a couple companies currently looking for delivery specialists. e-Dialog: Delivery Specialist Responsys: Delivery Consultant ThinData: Delivery & ISP Relations Analyst ThinData: Privacy Analyst Know anyone else hiring? Leave links in the comments.

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Legitimate mail in spamfilters

It can be difficult and frustrating for a sender to understand they whys and wherefores of spam filtering. Clearly the sender is not spamming, so why is their mail getting caught in spam filters? I have a client that goes through this frustration on rare occasions. They send well crafted, fun, engaging content that their […]

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Monitoring Email Deliverability

I did an interview with Direct Mag recently about what I recommend mailers do to monitor email deliverability.

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You might be a spammer if….

You feel the need to add PLEASE NOTE THAT THIS IS NOT A SPAM OR AUTOMATED EMAIL, IT’S ONLY A  REQUEST FOR A LINK EXCHANGE. YOUR EMAIL ADDRESS HAS NOT BEEN ADDED TO ANY LISTS, AND YOU WILL NOT BE CONTACTED AGAIN.IF YOU’D LIKE TO MAKE  SURE WE DON’T CONTACT YOU AGAIN, PLEASE FILL IN […]

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Link roundup June 18, 2010

Hotmail has released a new version of their software with some changes. Return Path discusses the changes in depth, but there are a couple that senders may find helpful. If a user deletes a mail without reading it multiple times, Hotmail asks the user if they want to unsubscribe from the mail. Users can use […]

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Spam lawsuits: new and old

There’s been a bit of court activity related to spam that others have written about and I feel need a mention. I’ve not yet read the papers fully, but hope to get a chance to fully digest them over the weekend. First is e360 v. Spamhaus. This is the case that actually prompted me to […]

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  • Ongoing Yahoo delays

    I've been hearing from folks over the last few days that they're seeing an uptick in deferrals from Yahoo! The deferrals are not uniform. ESPs report they're seeing some, but not all, customers affected. Other ESPs aren't seeing any changes. It's not just you. But it would be very worthwhile to dig into engagement and other stats. It's possible this is a new normal at Yahoo! and they're tightening filters to catch mail that doesn't fit their standards but was previously difficult to filter.No Comments


  • AOL starts using Sender Score Certification

    Good news for Sender Score Certified IPs. Return Path recently announced that AOL has joined the list of ISPs offering preferential treatment to certified IPs.  1 Comment


  • iCloud Service Disruption

    40% of iCloud users were affected this morning during a service disruption between 2:15AM and 9:30AM. Apple System StatusNo Comments


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