Don’t get so distracted by DKIM and SPF that you forget the most important DNS record (and you don’t even need SPF on a shared Marketo instance!)

Everybody thinks they need DKIM and SPF for their From: domains. DKIM? Sure, do it. SPF? Nope, and it can even be destructive. But both distract from the main need: an MX record + mailbox for every From: address. →

You didn’t hear it from me, but this is how you’d set a mktoVariable from a script running in the Preview pane

Not that you’d ever want to do anything like that. →

Never, ever (ever) use the HTML 3.2 ˂center˃ tag in emails

I know what you’re gonna say: you never use that tag and/or you never heard of it! But a search of my Inbox (and Spam folder) shows examples every single day. →

Using Lity (and similar lightbox plugins) with Marketo form embeds

A refresher about script-injected scripts and how to best deploy 3rd-party form plugins. →

What happens between “Send Email” and “Soft Bounce”

We know Marketo retries for 24 hours when it encounters transient errors. But how does that work under the hood? →

Enhancing form Select elements using the Chosen JS plugin

Marketo’s use of native HTML inputs — native ˂select˃, ˂option˃, ˂input type=checkbox˃, etc. — is ideal for accessibility and POLA. But it can be hard to resist the occasional enhancement on desktop browsers. →

Why you can’t use the same branding domain across multiple Marketo instances

Ah, sweet and glorious DNS — one of many technologies nobody learns anymore. ٭٭shakes fist at cloud services٭٭ →

2 reasons numeric fields may unexpectedly appear as negative numbers outside of Marketo

A couple of cases where your IT team might think everything looks good (since a value at least exists) but your marketing eye says “Nope.” →