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Tag: Only Influencers

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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Delivery events next week

Next week is MAAWG and I’ll be there talking about delivery, blocking and all sorts of things. If you’re going, be sure to stop by the Choose Your Own Delivery Adventure. It should be lots of fun! Also next week on Monday I’ll be a guest on the Only Influencers blog talk radio show discussing […]

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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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