All things deliverability since 2001!
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Spam Resource: All Things Deliverability
Published Monday, May 19, 2025. Click here to subscribe.

 
Hey, friend! In this week's Spam Resource newsletter, it's all about sharing! I share what Oracle says about the true drivers of email deliverability (thanks, Daniel, Heather and Chad!), share a handy tool that helps decode SMTP status codes (thanks, Faisal!), and share updated email best practice guidance for senders targeting Comcast (thanks, Alex!). Curious? Read on, as I've got links to share below.

Also, don't miss my upcoming webinar this Thursday: "Disinformation and Malicious Email Report: Why DMARC Remains Pivotal." We'll talk about why DMARC is so important, touch on adoption rates and insights for specific industries, and more. If you're looking to sharpen your authentication game, click here for more details. It's free, and I hope to see you there!

Thanks for reading, and remember: sharing is caring!
 
Sending to Comcast? Be aware!
A Comcast friend has shared, on another forum, some information regarding best practices when sending emails to comcast.net email addresses. I'm sharing that information here with permission. 1. DMARC policy change coming: Comcast's "comcast.net" domain (where subscriber mailboxes live) will be moving to a "p=reject" DMARC ... read more
Cool tool: SMTP Codes
Here's a simple-but-cool tool created by Faisal Misle: smtp.codes. smtp.codes is a collection of SMTP response codes returned by email servers and a guide to help you understand what the SMTP codes that various email servers respond with mean. read more
Oracle: What drives deliverability?
What are the factors of deliverability? There are multiple variables in the equation. Infrastructure, volume, content, spam complaints, IP reputation, engagement, domain reputation, bounces, and spam traps all play a role, but which ones actually move the needle the most, now, in 2025? read more
Webinar Alert! Why DMARC Remains Pivotal
Hey! I’ve got an upcoming webinar that I think you might be interested in. In April, we here at Valimail released our new report: Disinformation and Malicious Email Report: Why DMARC Remains Pivotal. It’s a collection of data and insights specific to DMARC and email domain ... read more
Spotted at Aldi: Maple SPAM!
A bonus article from the archives (Saturday, March 09, 2024)
Apparently this isn't THAT new, as I can find some blogs and recipe sites talking about it back in summer 2023. But it's new to me! And personally observed by yours truly at an Aldi grocery store near home here in Chicago, IL, which means it's a limited time Aldi special buy. What is it? Maple-flavored SPAM! Which sounds like a great idea to me. read more
And that's all for now! Thanks for reading.


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Mailing address: 1522 W Jarvis Ave, Chicago IL 60626. I am not a lawyer and this is not legal advice. Duh. All opinions are mine alone and do not necessarily represent the views of any group, company, organization or other person.