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Ask Al: Spam folder placement during warmup?
An anonymous reader asked the following question in a comment the other day: “[Do you have] any recommendations related to all emails ending up in spam/junk folder when sending to Microsoft servers...
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The Deliverability Manifesto
It's International Inspirational Poster Day here at Spam Resource, and to celebrate, allow me to share some good stuff: Dave Smith's "Deliverability Manifesto." My friend Dave, Senior Deliverability...
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SPF Alignment in Google Workspace
Hey, a common question I've been seeing and hearing a lot lately is one related to the topic of how to deal with SPF alignment for alias domains in Google Workspace. An alias domain is where you map a...
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There's No Blocklist Conspiracy
Every once in a while somebody drops into comments espousing a conspiracy theory around how blocklists are “designed to extract money from email senders” or some other crazy thing about how dare...
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DKIM Fail with No Key for Signature: What's Going On?
If you’ve run into a DKIM failure with the error "dkim=fail (no key for signature)" in the authentication results header, you’re probably wondering what’s wrong and how to fix it. DKIM authentication...
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Learn about PCI Compliance and DMARC
Did you know that the latest version of the PCI (Payment Card Industry) Data Security Standard references DMARC? But it wasn't quite clear to me if DMARC is specifically required for everybody taking...
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My love letter to Email
Thanks to Lauren Meyer of Socketlabs for suggesting that Valentine’s Day was a good time for folks to share why we love email so much. Want to see what other folks are sharing? Look for the #DearEmail...
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550 5.4.1? It (most often) means User Unknown
I've blogged about this before, covering the different types of NDRs (non-delivery reports, aka bounces or rejections) that you receive back when trying to send email messages to email addresses that...
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Staying Calm About Categories in Apple Mail
Yesterday, my wife and I were jumping into the car about noon to go grab lunch together. “Ugh,” she said after she got settled and we started driving away. “Something changed in Apple Mail and I don’t...
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Newsletter Bot Clicks: Which Clicks Are Real?
Today I’m lucky to be able to share a guest post from email deliverability and technical expert Frank Rix (CEO of email service provider dialogue1 and Technical CRM Consultant for VERTUS), who has put...
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Sabertooth: Great Live Jazz in Chicago
Did you know that I've got a friend named Pat Mallinger, who, along with his friend Cameron Pfiffner, have led a fantastic jazz group called Sabertooth since ... at least November 1992? And they're...
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Seeing AT&T Reverse DNS issues when sending mail?
Example SMTP ErrorsWhen sending email messages to the various AT&T consumer email domains (ameritech.net, att.net, bellsouth.net, currently.com, flash.net, nvbell.net, pacbell.net, prodigy.net,...
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SPF Alignment Failures: Don't Panic!
If you're seeing SPF alignment failures when using an email service provider platform, don’t worry! This is such a common point of confusion among senders (and it even came up on a Valimail webinar I...
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How to Block Mail to a Google Workspace Catch-all Address
Catch-Alls are CoolAre you using Google Workspace (formerly Gsuite) for email service? If you do, you might want to configure the domain as a “catch-all.” Meaning mail to any address is accepted and...
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ICYMI: Why DMARC Matters Webinar Recap
More than one recorded video this week, huh? My apologies; I’m traveling this week and time to create content has been cut a bit short. Also, I’m admittedly quite proud of everything I’m sharing this...
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Yep, Proton Blocks the Pixels
Did you know? Protonmail blocks most open tracking pixels.Proton Mail is a privacy-focused, encrypted email service intended to protect users' communications from surveillance and unauthorized access....
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Survey time: What do you think of Gmail tabs?
Hey, fellow email geeks! Let’s talk about Gmail tabs. Love ‘em? Hate ‘em? Just kinda tolerate ‘em? I want to hear from you. I've been talking a lot lately about Apple Mail's new, similar categorization...
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Webinar Alert: Deliverability Data Deep Dive: Benchmarks, Trends, & Tactics
It's time to talk data! And I do love talking data! Join me (Al Iverson) along with Guy Hanson and Danielle Gallant from Validity, on this upcoming free-wheeling webinar, where we'll wax poetic on...
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Fun with data: Mimecast, by the numbers
Just a quick little peek at data today. This time around, it's month-by-month counts of MX records, in the top ten million domains, that point at servers with "Mimecast" in the domain name referenced...
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Friday Fun: Get Smooth with Sade
Greetings, email marketers and other fellow humans of planet earth!It’s Friday, and you know what that means—it’s time to ditch the stress, embrace the groove, and get smooth. And what better way to do...
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