Comcast email going away

I keep getting emails that my comcast email account must be changed to yahoo in order to get forwarded mail.

At this juncture, I wonder if this is spam or a hack or whatever. I know this has been touched on, but am I the only one? Is this real?

Thank you, Patrick

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It’s real, here’s a Comcast article about it: Upgrade your comcast.net email experience to Yahoo Mail - Xfinity Support. So the emails you’re getting (and I’m getting, and numerous others are undoubtedly getting) are probably real. I say probably because it’s not beyond the realm of possibility that someone will send similar looking scam emails, so the standard guidance applies, don’t click links or call phone numbers in emails. But the transition from comcast.net to Yahoo! is definitely real.

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Does anyone know how to switch it to Gmail instead of Yahoo?

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That’s not even remotely possible.

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That sounds a little weird. The article blm linked to suggests the switch to Yahoo is optional. One of the FAQs is:

Do I have to upgrade my comcast.net email account to Yahoo Mail?
No, this is an upgrade we are offering customers at no cost so they can access their email on a better platform with enhanced security, more features, and a mobile app for easy access on the go.

On the other hand, it’s not crazy to think that because of the fight against spam, receiving forwarded mail might be a casualty of Yahoo partially taking over hosting of comcast.net emails.

Here’s a link to help you verify if the email is real: Identify official emails for the Comcast.net email upgrade to Yahoo Mail - Xfinity Support .

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@chirano makes a good point about the possibility of fake email messages that appear to be from Comcast/Xfinity, but really are phishing emails trying to get you to divulge your Comcast credentials to bad actors. To avoid that, you can follow the steps in the email message that he linked, or, perhaps better yet, just visit the Comcast/Xfinity website directly and sign into your account. If you are eligible to switch, you’ll see a message of one sort or another shortly after you sign in:


From there, you can decide whether or not to migrate your email to Yahoo’s mail servers.

As was discussed on another thread, there basically are three options:

  1. Leave things alone unless/until Comcast forces you to move away from Comcast. As @chirano said, Comcast is not forcing people to move to another service, at least not yet, but I would not be shocked if someday they do.
  2. Accept Comcast’s offer to migrate your Comcast email address to Yahoo. With some relatively rare exceptions, your email address, email password, and existing emails will be migrated from Comcast’s servers to Yahoo’s servers once you authorize the migration. My sense is that almost all migrations happen without any issues, but you should read the FAQs at Xfinity and Yahoo carefully to minimize the chance of problems. If you normally access your Comcast email via the web, you’ll need to use login.yahoo.com (or the Yahoo mail app) instead of the Comcast/Xfinity website. If you use apps like Apple Mail or Thunderbird to access your Comcast email, you’ll need to set up new accounts on those apps using Yahoo’s email servers.
  3. Stop using your Comcast email entirely. You can export your emails and import them to another mail provider, like Gmail, Outlook, or others, but you will need a new, non-Comcast email address. Note that Comcast-hosted email accounts are automatically disabled if they are not used for twelve months.

It’s not a bad idea to export your Comcast mail as a backup file before trying any migration.

I have a comcast.net address, given to me when I signed up for my cable modem service.

I’ve never used it, except maybe once a year to see if any mail was delivered. And aside from 2-3 pieces of spam (don’t ask me how they got that address) and 2-3 notices from Comcast (which were also sent to the e-mail address I normally use), there’s been nothing.

I plan to ignore all the notices. I’m curious if I’ll end up transferred to Yahoo anyway, or if the mailbox will just be shut down.

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If you export your Comcast email:

  1. Is it still on the Comcast site to migrate?
  2. Where would I export it to —another App?
  3. Will all email/folders be exported just as they are on the website and function normally?
  4. (I hope these questions make sense! I really want a back up before I migrate my comcast.net email!)

I don’t have a lot of emails in my Comcast account, so I figured that using various options in the Xfinity export tool would be both feasible and quick. That was the case.

Important Note: Everything I say in this comment is in reference to the Comcast Export Tool at the Xfinity Export Portal, which only saves a copy of your emails in a place of your choosing. This is not in reference to Comcast’s Yahoo account migration tool, which moves your entire Comcast email account off the Comcast servers and onto Yahoo’s servers, including your Comcast email address and your existing emails. Be sure that you understand the difference between those two tools before using Comcast’s Yahoo account migration tool.

To @janesprando’s first question: if you use the export tool either to save an export file to your computer or to export your Comcast emails (and optionally your Comcast contacts) to another service, your original emails will remain on the Comcast server.

To the second question: when you save your exported Comcast data to a file, you can

  1. simply keep the file as a backup in case something goes wrong,
  2. read it by loading it into any of several mail archiving tools, e.g., EagleFiler, Mail Archiver X, Mail Steward, etc.
  3. import it into common mail apps like Apple Mail or Thunderbird to use as a local folder, or
  4. import it into almost any third party email service, like Gmail, Hotmail, or Fastmail.

Comcast offers a few options for the export file format. Comcast’s instructions for exporting do a good job of explaining why you would choose one format or another, largely based on what you eventually want to do with the files. The important thing to remember is that when you use the export tool, you only are making copies of your emails. You are not moving your original Comcast emails or your Comcast email account.

To the third question, the export tool will save the emails, retaining the folder organization you had in your Comcast account. The specifics depend on your choice of export format. For example, I chose to use the MBOX format, which resulted in one MBOX file for each folder, such as the inbox, sent mail, and any custom folders that I had created.

Comcast’s export tool allows one other major option: if you already have a Gmail, Outlook, AOL, or other email account, like a third party IMAP account, you can try directly exporting your existing Comcast emails into one of those other accounts. Again, this only copies your Comcast emails…it does not move your Comcast email account. For example, if you copy your existing emails to a Gmail account, they are simply stored in Gmail. Your Comcast account, and the ability to send or receive new Comcast emails, remains at Comcast. That said, this is a good option for people who want to back up their Comcast email and see the results right away.

The basic process for copying your Comcast email to a service like Gmail is to choose that option in the Comcast export tool and then run it. You will be prompted to supply your Gmail security credentials (for example) to connect your Comcast account and your Gmail account to the import tool, called ShuttleCloud. Once you click a few acknowledgments, the ShuttleCloud tool will start copying your emails from Comcast to your new service. Depending on how many emails and folders are in your Comcast account, it may take anywhere from a few moments to a day or so to copy everything from Comcast to a Gmail account. Your Comcast emails will appear in the left sidebar of Gmail (for example), labelled by Comcast folder. Every service handles the transfer a little differently, but the idea is the same.

Personally, I think the safest route is to save an export file to your computer first, since that has the fewest technical steps. Once you have a good backup file on your computer, you can try the other methods confidently.

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PS. If you use the Comcast export tool to save your emails and/or contacts as a file, the files are encrypted for security. You’ll be shown the encryption password during the final step of the export process, and you’ll also receive an email to your Comcast account that includes the password. Be sure you save the password or that you can access the email before deleting it or migrating to Yahoo!

I’m in the same boat – received my comcast.net email address when we got Xfinity cable modem service years ago. Have never used it; Xfinity sends any email notices to my primary email address.

That said, when I log into the Xfinity site to check my account/payment info, or deal with service issues, the comcast.net email address is the “username” I log in with.

Since Xfinity hasn’t sent me any notices or warnings about having to change my username to something that doesn’t end in “@comcast.net”, I assume this isn’t something I have to worry about.

You certainly should have received a warning, but you eventually should get a final notice at some point before the Comcast e-mail server retires completely.

Besides the Comcast export tool (actually very nice of them to provide that option) an alternative would be to connect Apple Mail, or Thunderbird or some other client, to the Comcast account, and then use Mail to export your mail to local files on your Macintosh.

I would lean towards that approach myself, because I trust Apple Mail more than I do Comcast. And there’s no reason you couldn’t do both.

I recently migrated my mail hosting from one provider to another (neither was Comcast.) First, I exported backups of all my mailboxes to my Mac, just in case. But for the main migration, I just added the new IMAP account for mail and dragged the messages straight from one account to the other.

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I occasionally log in to the Xfinity site. My account name is that address without any domain suffix. I assume the account isn’t tied all that closely to the e-mail address.

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Before accepting the offer to migrate to Yahoo!, I suggest anyone making the decision read the terms of service, specifically the Privacy Center link found on this page. Since Yahoo’s takeover by Oath, the ways in which your data is used have become much more permissive and harder to opt out of.

Dan W. I figured something like that would happen. We are stuck between a rock and a hard place because Xfinity chose Yahoo (why why why) to demand us join as that is the only provider they will forward your comcast mail to, I believe. I hope I’m wrong but I can’t figure out how to make the default ‘forward to GMail.’ Patrick

They are not “forwarding” your Comcast mail to some newly-created Yahoo account. At least they won’t be when the transition completes.

Yahoo’s servers will be hosting the comcast.net domain. When the transition completes, mail sent to that domain will be going directly to Yahoo-hosted mailboxes and Comcast’s mail server will (probably) be shut down.

So there isn’t an option to forward mail anywhere else because (when the transition completes) they won’t be forwarding anything anywhere.

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I just tested two email addresses that I receive by what seems like forwarding.

My Caltech alumni account, now managed my Microsoft, resends from my Caltech email address (which I have had troubles accessing from my Mac). That shows up in the header visible in Mail

My Verizon account appears to to come from my personal domain to Verizon and Yahoo back to my personal account. This only shows up in the Raw Source

email sent to my old AOL email does not come back to me. I am not sure where that came from.

It’s hard to tell what exactly is happening there without looking in detail at your headers.

Your CalTech email most likely is hosted at Microsoft using the Education edition of Microsoft 365. If that is the case, no CalTech system ever needs to touch your email. CalTech’s alumni email administrators simply login to the Microsoft 365 portal to configure policies and services, but everything actually happens on Microsoft systems. This is very common for alumni email. Most schools in the USA that offer alumni email do it using the education editions of Microsoft 365 or Google Workspace.

Verizon, Yahoo, and AOL can be a little more complex to figure out, largely because they all ran under the same corporate umbrella at one point or another, so it’s possible that the underlying infrastructure is nominally in any one of those domains and is managed by service agreements among the brands. Unless you explicitly set up mail forwarding from one service to another, that’s probably what is going on.

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Thanks. The Microsoft system became came a pain in the rear to access and I didn’t use it for much, so I set it up set it up to redirect incoming.

We use Verizon for Web access, but we phased out their email because we didn’t use it much and I didn’t want to deal with advertising from them.