Showing posts with the label yahoo

Yahoo Mail: Reducing storage?

Back in September 2025, I posted about receiving notice from Yahoo that they were apparently reducing the amount of space granted to Yahoo Mail user mailboxes from 1 terabyte to 20 gigabytes. (In hindsight, I now realize that this specific new limit might be US-specific.) Whil…

Yahoo: New sending IP ranges

Yahoo has added new, additional sending IP addresses for their outbound email, as they recently announced on the Mailop list and elsewhere. Head on over to the “ Outbound Mail Servers” page on the Yahoo Sender Hub , or pick apart their SPF record , to find the most up-to-date…

Yahoo Sender Hub: Now with Insights

Yahoo has long had a very useful portal for email senders, chock full of important information, known as the Yahoo Sender Hub . It's where savvy email senders go when troubleshooting email deliverability issues relating to sending to Yahoo subscribers, including where you g…

Yahoo Mail reduces default free storage to 20gb

As reported here and elsewhere , Yahoo has reduced the amount of free storage for Yahoo Mail users. The prior limit, 1 terabyte, is now reduced to 20 gigabytes. Users with a mailbox containing with more than 20 gigabytes of messages will be unable to send or receive email unti…

ATT to Yahoo transition completed

The transition is complete, according to my little widget ! All AT&T consumer mailbox domains now have MX records that point directly to Yahoo Mail's infrastructure. The transition was announced back on June 24th , and here we are, just over a month later, it looks lik…

Yahoo Mail to absorb Comcast subscriber mailboxes

Starting in June 2025 and continuing into 2026, Comcast's Xfinity email service is transitioning to a new platform . Email users with comcast.net addresses will begin moving over to Yahoo Mail, which will take on the role of hosting those accounts going forward. Users will …

Yahoo taking over MX for ATT domains

Yahoo Mail has long been the webmail destination for mail sent to the AT&T consumer mailbox domains. Meaning that if you had an AT&T email account, you used Yahoo Mail to read any email messages received. But, for a long time, the actual MX record for those domains poin…

Yahoo Mail adds Catch Up Functionality

Yahoo Mail is trying to help the inbox-overwhelmed crowd get back on top of unread piles with a new mobile feature called Catch Up . This AI-powered tool is live now in the Yahoo Mail app for iOS and Android. It rounds up your unread messages, generates quick summaries, and let…

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…

Fun with data: Yahoo Mail, by the numbers

By one reckoning, Yahoo Mail apparently has 225 million active users . That's nothing to sneeze at. And they've been there since nearly the beginning of webmail, having acquired Rocketmail in 1997 to become the foundation of what we now know of as Yahoo Mail. And nowada…

Yahoo and AOL domains (2024 Update)

Today in "Fun with Data," I present to you a link to a downloadable list containing the top Yahoo Mail email domains . Why would you need this? Maybe you run some certain mail server ( MTA -- mail transfer agent) software that can't group domains based on MX. May…

Cox.net now a Yahoo domain

If you're one of those people who rolls up domains to groupings based on mailbox provider, you'll want to take note of this one. As of sometime in October, the MX record for cox.net has been updated. Previously, mail was handled by cloudfilter.net, which appears to be o…

Reminder: Re-register DKIM domains with Yahoo Feedback Loops

Yahoo's Clea Moore just posted to the " Postmaster @ Yahoo & AOL " blog reminding folks that anyone wanting to receive spam complaints via their Complaint Feedback Loop (CFL) mechanism, their version of an ISP Feedback Loop (FBL), must be registered via their…

Yahoo FBL bug fixed, and signup reminder

Did you recently see a significant increase in the number of spam complaints reported back to you via the Yahoo CFL (Complaint Feedback Loop), their version of an ISP feedback loop? If so, you're not alone. Yahoo reported recently that they were dealing with an issue where…

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 seeing inbound delivery delays -- should be fixed now

Starting perhaps around 7:00 am US central time on Friday, June 21, many senders started to see inbound email delivery delays when sending mail to Yahoo Mail subscribers (Yahoo, AOL, Verizon.net, and related domains). In addition to folks approaching me directly, various indust…

New Yahoo Sender Hub Dashboard Update

Over on the Yahoo & AOL Postmaster Blog, the friendly folks at Yahoo just announced an updated Yahoo Sender Hub Dashboard . What have they got for us? Why, it’s a dashboard to register and manage domains for the Yahoo CFL (Complaint Feedback Loop), aka Yahoo Mail’s versio…

AWeber Users: DKIM, DMARC, YAHOO, GMAIL & YOU

It's time for another Webinar Rewind! Recently I presented (alongside Jesse Kennedy) a live webinar specifically meant to help AWeber users get up to speed on the new sender requirements brought to us by Yahoo and Google. With a focus on the specifics of what buttons to pus…

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…