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Let’s Talk: Bounce handling

Next Let’s Talk session is June 17 with the topic of bounce handling. As always: 5pm Dublin, noon Eastern, 9am Pacific. Send an email to laura-ddiscuss@ the obvious.

We have notes from previous calls:

Engagement Google Doc

Spamtraps Google Doc

FBL Google Doc

Looking forward to talking to everyone!

Address verification doesn’t fix any real problem

Would you trust an address verification company that used twitter spam to advertise their product? Would you trust an address verification company that sent email spam to advertise their product? Would you trust an address verification company that sent email advertising their product to made up addresses? Would you trust an address verification company that sent email advertising their product...

Identifying domains that don’t accept or send email

A couple folks have asked me recently about MX records that they don’t understand. These records consist of a single . or they contain localhost or they are 127.0.0.1. In all cases, the domain owners use these records to signal that the domains don’t accept email. What do these records look like? Why do domains do this? In all cases it’s because the domain owners want to signal...

Forget about engagement, think inboxing

While answering a question about how to improve IP reputation at Gmail I realized that I no longer treat Gmail opens as anything about how a user is interacting with email. There are so many cases and ways that a pixel load can be triggered, without the user actually caring about the mail that it’s not a measure of the user at all. That doesn’t mean opens are useless. In fact...

When you can’t get a response

I’ve seen a bunch of folks in different places looking for advice on what to do when they can’t get a response from a postmaster team, or a filtering company. I was all set to write yet another post about how silence is an answer. Digging through the archives, though, I see I’ve written about this twice already in the last 18 months. Well. OK then. Instead of retreading...

Rethinking public blocklists

Recently, a significant majority of discussions of email delivery problems mention that neither the IPs or domains in use are on any of the public blocklists. I was thinking about this recently and realised that, sometime in the past, I stopped using blocklists as a source of useful information about reputation. I’m not even sure exactly when it happened. I just stopped checking most of the...

Email verification vendor leaking marketer data

I’ve been waiting for this to happen. An email verification vendor has left their database of 800 million email addresses along with detailed individual data. unprotected on the internet. Bob Diachenko reported the discovery yesterday on his blog. Wired also ran an article (An Email Marketing Company Left 809 Million Records Exposed Online) based on his findings. Padlock on a keyboard with...

Thinking about filters

Much of the current deliverability advice focuses on a few key ideas: Authenticate your mail with SPF, DKIM and DMARC Use a dedicated IP. Monitor delivery. Clean your data. All of these things are absolutely things you should be doing, but senders can do all these things and still have cruddy delivery. These things are great and can help your mail deliver better. But they’re not enough to...

Schroedinger’s email

The riskiest email to send is that very first email. It’s a blank slate. Even if you’re sending confirmation messages, you don’t really know anything about how this email is going to affect your reputation. It’s Schroedinger’s email. The address is both good and bad, until you send to it. If it’s good, great things will happen. You’ll be happy. The...

Thoughts on policy

A particular blocklist, once again, listed a major ESP this week. Their justification is “this is our policy.” Which is true, it is their policy to list under these circumstances. That doesn’t make it a good policy, or even an effective policy. It’s simply a policy. Crafting policies Crafting good policy starts with the question “what is the desired outcome in this...

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