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Blast from the Past: CompuServe Inc. v. Cyber Promotions (1997)
Let’s take a little walk down email memory lane.In the pre-CAN-SPAM era, when dial-up was still a thing and some people paid by the minute for internet access (remember that?), spammers found fertile...
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Microsoft Joins the Club: Top four B2C MBPs now require email auth
Deliverability is ever-evolving.Another day, another major mailbox provider raising the bar for bulk email senders. This time it’s Microsoft tightening things up for their Outlook.com consumer...
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2025 MAGY Sender Compliance Guide
Here it is, the 2025 Spam Resource MAGY (Microsoft, Apple, Google, Yahoo) Bulk Sender Compliance Guide. This contains almost everything you need to know (I think? I hope?) about how to comply with...
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Apple iCloud adds new outbound mailservers
Hey there, those of you out there in postmaster-land, maintaining inbound mail servers for mailbox providers or spam filtering/security services! Apple is updating their email infrastructure, adding...
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MAGY Domains List: 2025 Update
In light of Microsoft’s recent release of updated email sender requirements, I thought it would be handy to share an updated list of all of the consumer domains under the “MAGY” umbrella.My personal...
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Microsoft New Sender Requirements: Video Recap
Hello again! I’ve talked a lot this week about the updated Microsoft sender requirements (and updated my bulk sender compliance guide), and so I thought it would helpful to share this video, as well.In...
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Validity Acquires Litmus
Validity, data quality and email marketing solutions provider founded in 2018, perhaps most well known in the deliverability space for their email deliverability monitoring platform Everest, has just...
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Gmail Adds New Encryption Features
Google just announced that end-to-end encryption (E2EE) is now available for Gmail for business users. According to Google's official announcement, this new feature is being rolled out more broadly...
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It Continues: Google Moves Forward with Deleting Inactive Accounts
This week, I received a notification from Google letting me know that one of my old test accounts is on the chopping block. According to the alert, the account hasn’t been used in over two years and is...
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Reference: Virgin Media UK Email Domains
Virgin Media (UK) is a British telecommunications company which provides telephone, television and internet services in the United Kingdom. The current version of this entity traces its roots back to...
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Ask Al: Can we email the opt-outs?
A friend sent me the following question the other day: “Hi Al! How are you? I have one client who wants to send an email to more than 600,000 recipients who have already opted-out. I’m worried that...
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Pump Up the Jam, please!
It's Friday! Time to take a break from DMARC dilemmas and deliverability disasters to enjoy something truly vital: Technotronic and their magnum opus: Pump Up the Jam.Technotronic was a Belgian music...
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Proof That I’ve Been Doing This a While: A Look Back at 2015
If you've ever wondered how long I've been in the email game, the answer is: a while. I've been working in and writing about email deliverability for more than twenty years. So let's take a break from...
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Why Domain Warming Matters for Email Deliverability Success
If you're launching a new domain and plan to send emails at scale, you can't just dive in and start sending a bunch of messages. At least, not if you actually want them to land in the inbox. Domain...
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The State of DMARC in 2025
It's been a light week as far as me posting things on Spam Resource. The reason for that? I've been so busy with the release of Valimail's 2025 Disinformation and Malicious Email Report: Why DMARC...
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New Microsoft Sender Requirements: Link Roundup
By now, you've probably heard: Microsoft has officially joined the club. Following in the footsteps of Google and Yahoo, Microsoft has announced new requirements for high-volume and bulk email senders...
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Fun with Spamtrap Data: What and Why?
It's nearing the end of the month, and I suspect that the folks at Koli-Lõks OÜ are getting ready to post another month's worth of spam trap data. For fun, I thought I would share March's data, with...
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Another Cool Tool: Can I Email
If you're an email developer or marketer, you know how tricky it can be to get your emails to look right across all the different email clients. Enter Can I Email, an essential resource that helps you...
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Friday Fun: Holt and Terry's Dancing Skills
Sometimes I need a break from all this talk of new sender requirements. So, let's sprinkle in some fun as we head into the weekend, and pause to enjoy another classic Brooklyn Nine-Nine moment that...
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Cinco De Microsoft is here: What you need to know
What the heck is Cinco De Microsoft? Why, today is. Monday, May 5, 2025, the date when, as announced by Microsoft, non-compliant bulk email messages sent to Microsoft consumer mailboxes (hotmail.com,...
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