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Some of my sent emails not being delivered

Using the mail app on my iPhone 12 for my Comcast mail… My sent emails are only being delivered to Comcast email addresses and are not being delivered to non-Comcast addresses. It doesn’t seem to be a Comcast problem (and I’ve talked to them), as all of my sent emails are being delivered if I send them from within the Comcast website. I've tried deleting and then reestablishing my Comcast email account on the iPhone, but the problem persists. Any ideas on what’s causing this and how to fix it?

Posted on Aug 2, 2021 6:27 PM

Reply
Question marked as Best reply

Posted on Aug 2, 2021 6:31 PM

Remove your email account and set it up again

Make sure that all of your emails are there or make sure that your email is saved somewhere other than your device. On your device, go to Settings > Mail, then tap Accounts. Tap the email account that you want to remove. Tap Delete Account.


If you can't receive email on your iPhone, iPad, or iPod touch ...



If you can't send an email on your iPhone, iPad or iPod touch

  1. When you make an iOS or iPadOS backup in iCloud or iTunes, it backs up your mail settings, but not your email. ... 
  2. Make sure your device is connected to the Internet.
  3. Check with your email service provider to find out if there's a service outage.

More items...


If you can't send an email on your iPhone, iPad or iPod touch ...

2 replies
Question marked as Best reply

Aug 2, 2021 6:31 PM in response to Bucky1638

Remove your email account and set it up again

Make sure that all of your emails are there or make sure that your email is saved somewhere other than your device. On your device, go to Settings > Mail, then tap Accounts. Tap the email account that you want to remove. Tap Delete Account.


If you can't receive email on your iPhone, iPad, or iPod touch ...



If you can't send an email on your iPhone, iPad or iPod touch

  1. When you make an iOS or iPadOS backup in iCloud or iTunes, it backs up your mail settings, but not your email. ... 
  2. Make sure your device is connected to the Internet.
  3. Check with your email service provider to find out if there's a service outage.

More items...


If you can't send an email on your iPhone, iPad or iPod touch ...

Aug 7, 2021 5:01 AM in response to SravanKrA

Thanks for the reply. I've tried all those fixes but the problem persists. Using the iPhone mail app (for my Comcast mail), my outgoing emails are only being delivered to Comcast email addresses. Other domains (Gmail, etc) do not receive my emails. But if I send emails from within the Comcast website or from within Outlook, my emails do go through to all addresses. So for some reason it seems like the Apple mail app is blocking my emails to any address that isn’t a Comcast address.

Some of my sent emails not being delivered

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