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Monthly Archives: January 2011

Yes, we have no IP addresses, we have no addresses today

We’ve just about run out of the Internet equivalent of a natural resource – IP addresses. ICANN allocated the last couple of blocks of general usage IPv4 addresses to APNIC earlier today. There are just five usable blocks of addresses left, and they’re reserved by IANA policy for the final phase of IPv4 exhaustion, one […]

4 Comments

How many people to enforce policy?

I’ve been head down working on a doc for a client and started wondering what the average size of an enforcement team is. This client told me during one of our calls they wanted to be as clean and well respected as another ESP, but was shocked when I told them how large an enforcement […]

5 Comments

Why is shared hosting like phishing?

A client of a friend was getting rejection messages when they tried to send mail Google tried to deliver your message, but it was rejected by the recipient domain. We recommend contacting the other email provider for further information about the cause of this error. The error that the other server returned was: 554 554 […]

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Groupon and science

And interesting reaction to a recent Groupon offer for spa services.

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Change is required

I get a lot of calls from senders who tell me that they have not changed what they were doing, but all of a sudden their mail isn’t performing the way it used to. Sometimes it’s simply less effective marketing, but more often than not the issue is mail being blocked or filtered to the […]

1 Comment

Legal analysis of Hypertouch v. Valueclick

Venkat has an analysis of the Hypertouch v. Valueclick case and recent appeals court ruling.

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CAN SPAM preemption of CA law

The California court of appeals returned a ruling yesterday in the Hypertouch v. ValueClick case. This is a case I haven’t talked about at all previously, but I think this ruling deserves a mention. The short version is that Hypertouch sued Valueclick in 2008 under both CAN SPAM and the California anti-spam law. Eventually the […]

1 Comment

Customers want to get mail from us!

Many online retailers assume that anyone making a purchase from them is a prime target for email marketing. THEY ARE OUR CUSTOMERS! Of course they want to get mail from us! Well. Maybe. But not always. Think about the person who shops online during the holidays. I visit a lot of places looking for gifts […]

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Fines for not honoring unsubscribes

Virgin Blue has been fined $110,000 by the Australian government for not honoring unsubscribes.

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Nothing is forever, even email

Yesterday I talked about how important it was to send welcome messages when you discover old email addresses. Today on the Return Path Blog, Tami Monahan Foreman shares an example email that does just that, but not as well as one might hope. You are receiving this email because sometime during the past 20+ years […]

1 Comment
  • AOL compromise

    Lots of reports today of a security problem at AOL where accounts are sending spam, or are being spoofed in spam runs or something. Details are hazy, but there seems to be quite a bit of noise surrounding this incident. AOL hasn't provided any information as of yet as to what is going on.4 Comments


  • ReturnPath on DMARC+Yahoo

    Over at ReturnPath Christine has an excellent non-technical summary of the DMARC+Yahoo situation, along with some solid recommendations for what actions you might take to avoid the operational problems it can cause.No Comments


  • AOL problems

    Lots of people are reporting ongoing (RTR:GE) messages from AOL today.  This indicates the AOL mail servers are having problems and can't accept mail. This has nothing to do with spam, filtering or malicious email. This is simply their servers aren't functioning as well as they should be and so AOL can't accept all the mail thrown at them. These types of blocks resolve themselves. 1 Comment


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