Showing posts with the label sender requirements

Email Deliverability in 2026: What's next?

You’re wondering what deliverability changes await us in 2026? I’m so glad you asked! Let’s talk about deliverability in 2026: What’s here now, how things work today, how it’s all evolving, and what I think things will look like over the coming year. In 2026, Technical Compliance Matters We’ve reached “no auth, no entry,” meaning that if you’re a bulk email sender, you’re not getting mail de…
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Google warns: Sender requirements enforcement ramping up

As of November 3, 2025, Google has added a new warning to their Bulk Sender Guidelines FAQ page, warning that enforcement "ramps up" beginning this month. The warning: "Starting November 2025, Gmail is ramping up its enforcement on non-compliant traffic. Message…

La Poste: Authentication Required

(See new info at end!) Hey, big senders! It's time for another update regarding enhanced sender requirements put forth by a large mailbox provider. This time around, it is French mailbox provider La Poste (laposte.net), and they are adopting authentication-related sender re…

Yes, Google requires opt-in

Every now and then, someone shows up in an email marketing or deliverability forum or chat room, trying to make the case that spam is somehow allowed. The argument usually goes like this: "The mailbox providers don't actually require permission, so it's fine if I j…

B2B Senders: Do you have to comply?

I've heard the question more than once: "Do Gmail and Microsoft's new sender requirements really apply to us? We're B2B. We're not sending to consumers." Why you might think not I get where that comes from. A lot of the focus lately around new sender r…

Cloudflare now requires auth for email forwarding

As of July 3, 2025, Cloudflare is enforcing a new requirement for its Email Routing platform: Messages must be authenticated with either SPF or DKIM in order to be forwarded. Now, if a message doesn't pass SPF or isn't signed with DKIM , it's not getting forwarded…

Webinar alert: New Microsoft Sender Requirements

Microsoft recently joined the "top four" mailbox providers (aka "MAGY," Microsoft, Apple, Google, and Yahoo) with updated authentication and email hygiene standards for email senders . If you send more than the bare minimum number of email messages per day, …

Gmail says: Yes to angle brackets in the Message-ID

Here's a quick reminder for anyone building their own email messages: Gmail wants your Message-ID header to be properly formatted, which means that the message-ID value must be enclosed in angle brackets, aka less than/greater than symbols. Correct: Message-ID: <abc123@m…

Gmail says: No funny (or smiley) business in friendly from

Google recently updated its email sender guidelines with clearer instructions on what not to do when it comes to your sender name (the friendly from) and your subject line. The main point: misleading or confusing sender info is bad news and can make Gmail unhappy. I'd cate…

Orange.fr tightens spam complaint thresholds

Sending email messages to French subscribers with mailboxes hosted by Orange? Starting in mid-August 2025, Orange.fr will begin "triggering protection mechanisms" if your spam complaint rate reaches 0.6 percent or higher. These mechanisms can include filtering, block…

Sending to Comcast? Be aware!

July 13, 2025 Update: As Comcast is in the first steps of outsourcing their consumer mailbox hosting, moving all subscribers' email service over to Yahoo Mail, going forward, Yahoo Mail's rules will apply. Want to learn more? Here is more info on the transition , and he…

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, live.com, outlook.com, etc.) will now be rejected. If you’re sending emails, …

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 targeting their consumer domains (the biggest ones being Outlook.com, Hot…

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 modern email bulk sender requirements as mandated by the largest consumer mailbox…

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 mailboxes (outlook.com, hotmail.com, and live.com), effectively aligning their p…

Email deliverability: What you need to know

I had the pleasure of chatting with MarTech's Constantine von Hoffman recently, helping to explain what deliverability is, why it matters, and what you need to know about Yahoo and Google's evolving sender requirements. In the resulting article, there's lots of grea…

Google sending requirements: What of B2B?

Just a quick note today to address some bad advice I've seen out there in the wild.  The question that I've seen asked is this: The new Gmail sender requirements announced by Google -- do those apply only to mail sent to the individual mailboxes at the gmail.com and go…

Is Microsoft getting on the Yahoogle bus?

Is Microsoft getting on the Yahoogle bus? Maybe that's too silly a way to frame such an important question. Let's reframe this more specifically. The question ultimately is: Does Microsoft plan to implement more stringent sender requirements, similar to those announced…

Yahoo Mail/Gmail 2024 Easy Sender Compliance Guide

Here is everything you need to know (I think? I hope?) about how to comply with the new sender requirements announced by Google and Yahoo, applying to Gmail and Yahoo mail, coming into force in early 2024. You can read more about it all here (and over at Yahoo or Google ), bu…