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Category: Best Practices

Transactional mail

There are a lot of myths in the email space. Things that someone, somewhere said and another person repeated and then another person repeated and all of a sudden it is TRUTH. One of those things is the idea that there is a law defining what can be in a transactional email. Supposedly this law […]

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Two factor authentication

The drumbeat of “secure your accounts; help your customers secure their accounts with you” advice has faded away a bit, probably because we’ve not had a major ESP account compromise hit the media in the past few months. The costs – customer support, security, reputation, executive focus – of customer account compromises are still significant, […]

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Outrunning the Bear

You’ve started to notice that your campaigns aren’t working as well as they used to. Your metrics suggest fewer people are clicking through, perhaps because more of your mail is ending up in junk folders. Maybe your outbound queues are bigger than they used to be. You’ve not changed anything – you’re doing what’s worked […]

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Organizational security and doxxing

The security risks of organizational doxxing.  These are risks every email marketer needs to understand. As collectors of data they are a major target for hackers and other bad people. Even worse, many marketers don’t collect valid data and risk implicating the wrong people if their data is ever stolen. I have repeatedly talked about […]

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It’s not about the spamtraps

I’ve talked about spamtraps in the past but they keep coming up in so many different discussions I have with people about delivery that I feel the need to write another blog post about them. Spamtraps are … … addresses that did not or could not sign up to receive mail from a sender. … […]

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Deliverability advice to the DNC

I was working on another post for this afternoon, but when I checked Facebook Autumn Tyr-Salvia had posted a link that’s much more interesting to talk about. It seems the Democratic National Committee has acquired President Obama’s email list from the 2012 campaign. The […] list […] includes details about the amount donors gave and […]

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Check your tech

One of the things we do for just about every new client coming into WttW is have them send us an email from their bulk mail system. We then check it for technical correctness. This includes things like reviewing all the different From headers, rDNS of the connecting IP, List-Unsubscribe headers and authentication. This is […]

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Utilizing all of your data

Email marketing continues to be a great way to reach out to prospects and customers and many companies utilize multiple mail streams. Companies often have the following systems sending mail: Welcome Messages for new subscribers Transactional Messages such as password resets or receipts from purchases Drip programs from a marketing automation system Direct to customers […]

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Linking identities to email addresses

As I predicted yesterday, a bunch of sites have popped up where you can input email addresses and find out if the address was part of the Ashley Madison hack. My spam trap address isn’t on it, which makes me wonder if unsubscribe data was kept elsewhere or if they just never bothered to save the […]

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LinkedIn addresses frequency issues

Yesterday LinkedIn announced they’re decreasing the amount of mail they’re sending to users. For every 10 emails we used to send, we’ve removed 4 of them. Already, member’s complaints have been cut in half. And this is just the beginning. Less Email from LinkedIn This is good news for a lot of people, as LinkedIn’s […]

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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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