A third of Marketo users have a broken SPF record... (Part II: 'include' and DNS limits)

The continuing story of people breaking their SPF records when they shouldn’t have touched them at all for Marketo.

A third of Marketo users have a broken SPF record. How's yours? (Part I)

It’s incredibly easy to have a broken SPF record (equivalent to not having an SPF record at all) without knowing it, because few people do exhaustive tests.

Stop tracking mailto: links (if you want them to work)

There are great reasons to use mailto: links in marketing emails — and just as many reasons to make them actually work when they're clicked. Unfortunately, most Marketo users

Big brands, bad code, Part 1 of ∞: A bad URL parser breaks Munchkin

In my Marketo consulting gigs, I've fixed Munchkin and forms issues for some huge brands. Hard to shock me at this point, but occasionally a high-traffic site is

A shared DKIM key? Sounds legit.

Update, March 10, 2016: For newer customers, Marketo generates a unique keypair and distributes a non-shared public key. However, this post is relevant for the majority of Marketo users. I

Your embedded Marketo forms are about to break in Firefox. Here's a fix.

Marketo user ED and I independently discovered (see this post [https://nation.marketo.com/message/121431]) that once Firefox DE upgraded to v46, embedded forms would no longer submit. It

"It wasn't broken until you fixed it": When SPF is so wrong, it's right

Modern (or maybe I mean young!) DNS admins don’t understand SPF as well as you might think. Another reason to not give them DNS tasks unless you’ve really proven the need.

Your Marketo SPF entry doesn't matter (unless you're paying extra)

A pervasive Marketo myth is that you must have SPF and DKIM set up for your From: domains. Truth is you only need DKIM and never need SPF for your From: domain. (If — and only if — you have a custom envelope domain, you‘ll want SPF for that.)