Word to the Wise helps email marketers create more effective email messages, programs and infrastructures. We advise you how to skillfully navigate the constant business, technology, and policy challenges so your messages reach your customers.
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We’ve landed in Dublin and are back at work. Blogging will pick up as I get back into the swing of things. I’ll be speaking on a panel at the Selligent user conference in Amsterdam tomorrow and in London on Thursday. If you’re a Selligent customer, introduce yourself and say hi! Speaking of being on panels, I heard recently that some folks were adding conference speakers to...
We’ve been blogging here about email for 11 years now. My first post was published August 29, 2007. In that time, we’ve published more than 2300 posts, and written probably millions of words. For years we have blogged multiple times a week. This summer we’ve not kept up our normal posting schedule. We’ve been a little busy with non-email stuff. We’ve spent this...
Even if you have excellent policies and an effective, empowered enforcement team you can still have technical problems that can cause you to drop abuse mail, and so lose the opportunity to get a bad actor off your network before they damage your reputation further. It’s not quite as simple as “We’re seeing email in our abuse ticketing system, so everything must be fine.”...
The answer is almost certainly yes, but there are definitely cases where it the answer is no. If you’re using your own domains for the return path and/or the d= value then you can set up postmaster tools for those domains. If you’re using a domain managed by the ESP, or a subdomain where the ESP manages the DNS, you may need your ESP to publish the correct key in DNS to authenticate...
Matthew Green reminded me of an old bit of spam lore. It’s a canned response to someone’s New and Awesome and entirely unoriginal Final Ultimate Solution to the Spam Problem. It originated on the news.admin.net-abuse.email newsgroup, I think, maybe twenty years ago? While one or two details have changed it’s still applicable to most of the current generation of under-researched...
On Friday I mentioned spam coming from a BarkBox affiliate programme. The original email is here. It’s not terribly exciting, it’s rather typical spam of the sort sent by professional spammers. It’s validly DKIM and SPF authenticated, and DMARC-aligned. It includes invisible white-on-white padding text so that it doesn’t look like image-only spam to naive filters (using...
If I see BarkBox I think Spam. That’s because, despite their marketing team effort, facebook and banner ad budget, the main place I see them advertised is via spam in my mailbox. It’s not even good spam. There’s quite a lot of it. Most of it looks much the same, other than the spammer randomizing colours. This one looks better than the black on cyan version, or any of the other...
We mention RFCs quite a lot, both explicitly (RFC 6376 is the specification for DKIM) and implicitly (the 822.From aka bounce address aka return path). And we have local copies of a bunch of them to make them easy to refer to (SMTP, MIME, Carrier Pigeons …). They use quite a lot of jargon and implicit information and metadata that’s not really explained terribly clearly anywhere...
A few weeks ago we took a drive down I5 to attend a service at Bakersfield National Cemetery. Amid the acres and acres of almond farms there were patches of black from recent grassfires. Typical but boring California landscape. Wildfires are a hugely destructive but continual threat in California. Growing up on the east coast, I never really understood wildfires. How can acres and acres and...
An on the ball reader sent me a note today showing a bounce message indicating microsoft was rejecting mail due to a Spamhaus Blocklist Listing. 5.7.1 Client host [10.10.10.10] blocked using Spamhaus. To request removal from this list see (S3130). [VE1EUR03FT043.eop-EUR03.prod.protection.outlook.com] The IP in question is listed on the CSS, which means at a minimum Microsoft is using the SBL. I...
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