Can't send comcast.net email from my Apple Mail app.

I've been using my comcast.net email address for years on my iPhone and Macbook Air, but for some reason about 2 weeks ago, I could no longer send emails. I still receive them, but if I want to send an email I have to log into the Xfinity Web email web server and send it. I did discontinue my Xfinity internet service about 3 months ago, but was told that I could still continue to use my comcast.net email, and was able to up until a couple weeks ago. I get an error message that says "Cannot send message using the server Comcast. The attempt to send data to the server smtp.comcast.net failed." Not sure what changed, but any help would be MUCH appreciated. Thanks

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XfinityMelinda

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151 Messages

2 hours ago

Hello @user_3sv4y8, and thank you for posting on our Xfinity Community Forum! You shared some great details of your email access issue and we apologize you're running into this, especially after everything had been working smoothly.

The error you’re seeing (“The attempt to send data to the server smtp.comcast.net failed”) is commonly tied to the outgoing (SMTP) mail settings.

Since you’re still able to receive emails, it does point to a sending configuration issue. On your iPhone and MacBook, please check the following:

- Make sure the Outgoing Mail Server (SMTP) is turned On
- Verify the settings are correct:

* Outgoing Host Name: smtp.comcast.net

* User Name: your full Comcast email address

* Password: your email password

- Confirm the correct port is being used:

* Port 587 (recommended) or 465, with SSL enabled

If everything looks correct and the issue continues, it’s also important to confirm that third-party email access is enabled on your account, as this can impact sending from apps like Apple Mail. You can walk through those steps with our helpful article:

https://www.xfinity.com/support/articles/third-party-email-access

Let us know how it goes after reviewing these settings, as we’re happy to help further if needed!

(edited)

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user_3sv4y8

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2 Messages

Hi, thanks for the quick response!

How do I make sure the Outgoing Mail Server (SMTP) is turned On? Under the Outgoing Mail Server (SMTP) I see

*Account: Comcast (Offline)

And then as far as my Outgoing Mail settings go:

*User Name: [Edited: “Personal Information”]

*Host Name: [Edited: “Personal Information”]

*Password: (it's all starred out, so I can't verify it, but I did re-type it in and it still doesn't work)

And the box for "Automatically manage connect settings" is checked.

If I uncheck the box for "Automatically manage connect settings", I can see that Port is set to 465 and the "Use TLS/SSL" box is checked. I did try and change the port to 587, but I got an error saying "Unable to verify account name or password"

And then as far as the article you linked, I do have "Third Party Access Security" checked...should it be unchecked?

I meant to add that I did try and contact Xfinity Tech support and they told me that because I no longer had Xfinity Internet, I couldn't use third party email apps, but like I said, I had been able to use my Apple Mail app for my comcast.net account until just a couple weeks ago, and can still use it to see incoming mail, I just can send from it.

(edited)

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1 hour ago

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XfinityMelinda

Official Employee

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151 Messages

Thank you for providing these great details, @user_3sv4y8 , and taking the time to try those steps, we really appreciate it. We apologize your previous support experience didn’t get this fully resolved for you.

Based on what you’re describing, we’d like to take a closer look at the account side with you to see what’s causing the sending issue and the “Offline” status you’re seeing under SMTP.

Please send us a direct chat message with your full name and complete service address to "Xfinity Support", so we can securely access your account and assist further. To do so, click on the chat icon located at the top right of this forum's page.
Here are the detailed steps to direct message us:
Click "Sign In" if necessary
Click the "Direct Message” icon (upper right corner of this page)
Click the "New message" (pencil and paper) icon
Type "Xfinity Support" in the "to" line and select "Xfinity Support" from the drop-down list
Type your message in the text area near the bottom of the window
Press Enter to send your message

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user_3sv4y8

Can't send comcast.net email from my Apple Mail app.

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