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Tag: bulk

What about Tom?

I use tom@hotmail.com as my default bogus email address. Tom has subscribed to so many things because of me. This is why address verification doesn’t work. The address tom@hotmail.com is a real address. It exists. It accepts mail. And at least one person admits to signing up Tom for mail that the person doesn’t want. […]

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Data Cleansing part 2

In an effort to get a blog post out yesterday before yet another doctor’s appointment I did not do nearly enough research on the company I mentioned selling list cleansing data. As Al correctly pointed out in the comments they are currently listed on the SBL. And when I actually did the research I should […]

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Think before you mail

I get quite a bit of unsolicited mail. I mean, sure, we all get a lot of spam, but that’s not the unsolicited mail I’m talking about. I’m talking about from people and companies in the email space. They want to make sure I’ve seen their new whitepaper or article about delivery. Or they have […]

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IP reputation and the bulk folder

I’ve spent much of today talking to various people about IP reputation and bulk foldering. It’s an interesting topic, and one that has changed quite a bit in the past few months. Here are a few of the things I said on the topic. Generally IPs that the ISP has not seen traffic from before […]

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Social media to improve email delivery

Mail delivered to the bulk folder is likely to continue landing in the bulk folder without intervention. Sometimes a sender can talk to the ISP involved and get mail moved back to the inbox. Sometimes a sender can make hygiene changes and get mail moved back to the inbox. The most effective way to get […]

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Recipients are the secret to good delivery

Many, many people hire me to educate them on delivery and fix their email problems. This is good, it’s what I do. And I’m quite good at helping clients see where their email program isn’t meeting expectations. I can translate tech speak into marketing. I can explain things in a way that shifts a client’s […]

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When the inbox isn’t the inbox

There was a discussion today on the OI list about email filtering that brought up something I usually don’t mention in delivery discussions. Most email marketers treat the inbox as the holy grail of delivery. Everything about delivery is focused on getting to the magical inbox. I think, though, that inbox is often just shorthand […]

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Is your mail being bulk foldered?

Daisy at Signup.to posted a list of 11 things to do when mail is going to the bulk folder. Her suggestions are a good start to troubleshooting and fixing persistent bulk foldering of mail. One thing she doesn’t mention is that while bulk foldering can sometimes be the result of poor content, more often it’s […]

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Email marketing ulcers for the holiday

I’ve mentioned here before that I can usually tell when the big ISPs are making changes to their spam filtering as that ISP dominates my discussions with current and potential clients and many discussions on delivery mailing lists. The last two weeks the culprit has been Yahoo. They seem to be making a lot of […]

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The rules of delivery success

Senders with delivery problems ask about “the rules.” “Just tell us what the rules are!” “If the ISPs would just tell us what to do we’d do it!” There is only one rule anyone needs to pay attention to for good mail delivery: Respect the recipient. Not good enough for you? Want more specific rules? […]

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  • HE.net DNS problems

    Hurricane Electric had a significant outage of their authoritative DNS servers this morning, causing them to return valid responses with no results for all(?) queries. This will have caused delivery problems for any mail going to domains using HE.net DNS - which will include some of their colocation customers, as well as users of their free services - but also will have caused reverse DNS to fail for most servers hosted by Hurricane Electric worldwide, so if any of your mail is being sent from HE hosted machines you may have seen problems. (We're HE customers so we noticed. Still happy with them as a vendor.)No Comments


  • 65.0.0.0/8 DNS issues

    If you're sending email from any address beginning with a 65 - in 65.0.0.0/8 - it's possible you'll see some delivery problems. Something appears to be broken with dnssec signatures for the reverse DNS zone, leading queries for reverse DNS to fail for anyone using a dnssec aware DNS resolver (which is almost everyone).1 Comment


  • Our green bar certificate is going away

    Later today we'll be switching from an Extended Validation ("green bar") SSL certificate to a Domain Validation certificate. This isn't exactly a planned change but I'm waiting for responses from Comodo before I go into it too much. I'll share some more details next week.3 Comments


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