Published Monday, July 07, 2025. Click here to subscribe.

 
Hey, friend! It's that time again! Here's what's happening in the world of email deliverability as found on Al Iverson's Spam Resource.

Are you still struggling to comply with Microsoft's recently announced bulk sender requirements? Looking for a better understanding of how this all fits into the context of MAGY (Microsoft, Apple, Google, Yahoo) email sender best practices? Running into the dreaded 550 5.7.515 auth-related rejections? Jennifer Nespola Lantz and I will talk about all of this, and more, and have time for your questions, too, on Friday, July 11th. Join us! Register here.

As always, thanks for reading!
 
It's actually usually safe to unsubscribe
The Wall Street Journal recently ran a piece warning readers not to click unsubscribe links in emails. The idea is that these links are sometimes traps used by bad actors to harvest information, confirm live addresses, or serve up malware. That's not entirely wrong, but it's overstated. read more
Microsoft says: Too Many Connections
Here's one I hadn't seen before. A sender was hitting this deferral when trying to deliver mail to Microsoft (Hotmail/Outlook.com) domains: has exceeded the maximum number of connections. (S3115) What stands out here is that Microsoft is very clearly saying: you're ... read more
Book break: The Ultimate Spam Cookbook Expanded Edition
Way back in 2020, I shared with you "The Ultimate SPAM Cookbook" and a lovely review of it (with a few recipes) from Miriam Di Nunzio of the Chicago Sun-Times, and since then, a new version has been released! The April 2025 revision has been updated and expanded with even more delicious recipes focusing on our favorite fun foodstuff, the spiced ... read more
LE says: No more Certificate Expiry Emails
As of June 4, 2025, Let's Encrypt has stopped sending out email reminders for upcoming TLS certificate expirations. They publicly announced the change in late June to make sure users aren't caught off guard. read more
A note on terminology pronunciation
Allow me to waste just a tiny little bit of blog space today to help you answer a question that you were probably afraid to ask: How do you pronounce the terms DKIM and DMARC? Let me answer that, and I'll throw in some extra acronyms for free. DKIM is pronounced "dee-kim" and DMARC is "dee-mark." BIMI is ... read more
Gmail updates the Updates tab
A bonus article from the archives (Tuesday, July 02, 2024)
Gmail tabs have been with us since 2013. Occasionally a sender worries that tabs mean the end of their ability to connect with Gmail subscribers, but truly, at this point, we as an industry are surviving tabs just fine. People are indeed finding your promotional email in the promotions tab; where tabs users expect it to be. 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.