How to fix iPhone X emails won't send after iOS 13.3 update [Troubleshooting Guide]

A communication problem between your email provider and the outgoing email server may cause failure in sending emails or iPhone X emails won’t send issue. Large file attachments may also hinder a successful sending of email since it could slow down the process, especially if you have a slow internet connection. 

When Apple released iOS 13.3 update, some iPhone X users have experienced an issue on sending emails. They have reported that they cannot send their emails after installing the update on their iPhone. If you happen to encounter this type of issue on your iPhone X after installing iOS 13.3, find out how you can possibly deal with the emails not sending on your device. 

Troubleshoot iPhone X emails won’t send after updating to iOS 13.3

Some email providers like Gmail might limit the number of sent emails per day. If you have been sending emails all day or most of the time, you might have reached the limit and that is the reason why your iPhone will not send emails anymore. You’ll usually see a bounce email that will tell provide a message saying that there’s an error sending message or you have reached the limit for sending emails. 

However, if this problem only occurred right after installing iOS 13 on your iPhone X and you have not sent any emails yet for that day, then it might have been due to random bugs embedded on the software update. They will usually show up after the update which causes disturbance on your phone’s system. Some functionalities like sending emails might be affected with these software glitches. To help you fix this problem, I’ve listed some helpful procedures below. Feel free to perform them whenever  you’re ready. 

First solution: Reboot your iPhone X. 

Software updates might bring errors on your device due to random bugs that might occur anytime right after the update. These glitches can trigger several symptoms and might have been the reason why your iPhone’s email services are not working. Luckily, minor software glitches can be ditched easily by restarting your iPhone X. Doing so will remove erratic apps and refresh the system. It can also help in stabilizing your phone’s performance by applying changes from the recent update that are not yet implemented. 

You can start first with a soft reset to reboot your iPhone. Here’s how: 

  1. Press and hold the Power/Side button and either of the Volume buttons simultaneously for a few seconds. 
  2. Release both buttons once Slide to Power off prompt appears on the screen.
  3. Drag the Power off slider to the right to turn off your phone.
  4. After 30 seconds, press and hold the Power/Side button again until you see the Apple logo.

You can also try performing a force restart in conjunction with the soft reset to clear rogue apps on your phone’s system and remove erratic cache. Here are the steps: 

  1. Press and release the Volume Up button quickly.
  2. Press and release the Volume Down button quickly. 
  3. Lastly, press and hold the Side button for a few seconds until you see the Apple logo.

After rebooting your phone, try to check if you can send an email this time. 

Second solution: Verify correct time and date settings on your iPhone X. 

Incorrect date and time settings on your iPhone can also cause email sending failure. This could occur if you have manually set the date and time settings or if they have been altered by iOS 13.3. To make sure that the date and time settings are correct, check and configure the information by following the steps below: 

  1. Access Settings from the Home screen. 
  2. Select General.
  3. Tap on Date & Time
  4. If necessary, tap to enable Automatic date and time settings. If automatic time and date option is already selected, try try to manually set the date and time based on your time zone and location. 

To check the correct time zone, simply set your iPhone to use its current location. Here’s how:

  1. Go to Settings > Privacy
  2. Tap Location Services.
  3. Select System Services
  4. Tap the option to Set Time Zone

To check if your iPhone is showing the correct Time Zone, carry out these steps instead:

  1. Access Settings > General.
  2. Select Date & Time
  3. Tap Time Zone.

After configuring and making sure that the information is correct, try sending emails to check if they will be successful this time. 

Third solution: Reset network settings to fix iPhone X emails won’t send. 

If you have a bad network settings saved on your device, it may cause some services that uses the Internet to malfunction. This might have been the case on why your iPhone is unable to send emails after iOS 13.3 update. Overrides could occur during the update and might invalidate the network settings on your iPhone X. For this reason, perform reset network settings to clear all customized network settings including iOS overrides and revert the default values and options. Just refer to the steps below: 

  1. Access Settings from the Home screen. 
  2. Tap General.
  3. Scroll down to and then select Reset
  4. Tap the Reset Network Settings option.
  5. Enter your device passcode once prompted.
  6. Then tap to confirm network settings reset.

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Your phone will restart automatically after the reset process is done. 

Fourth solution: Delete then re-set up your email on your iPhone. 

Random bugs can interact with your email provider’s settings and may corrupt some information. This could make the service unusable and you might have a hard time fixing the problem like a failure on sending emails. To rule this out, delete your current email setup to remove unwanted bugs that causes error and refresh the entire email system on your iPhone X. Here’s how it’s done: 

  1. Access Settings from the Home screen.
  2. Tap on Accounts & Passwords
  3. Select Accounts
  4. Tap the email account you wish to delete then select Delete account to continue.
  5. If prompted, select Delete account or Delete from my iPhone to confirm. 

After deleting your email account, reboot your device then retry setting up your email account with the steps below:

  1. From the Home screen, access Settings
  2. Select Accounts & Passwords then tap on Add Account option. 
  3. Select your email provider.
  4. Type in the correct information for your email address and password then select Next to continue.
  5. Once verified by the Mail app, select the information from your email account that you want to sync on your iPhone like Contacts and Calendars.
  6. Select Save.

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After setting up your email again, verify if the issue has been rectified. 

Fifth solution: Factory reset (master reset) your iPhone X. 

Complex system error might cause this problem and you still can’t send emails up to this point. If that’s the case, you’ll need a stronger solution to deal with the problem. Performing factory reset might do the trick as it will wipe out all contents on your device including those stubborn glitches and revert it to the default factory configurations. Just create backups via iTunes or iCloud beforehand then perform the steps below to execute this process: 

  1. Access Settings from the Home screen. 
  2. Tap General.
  3. Scroll down to and then select Reset
  4. Tap the Erase all contents and settings option.
  5. Enter your device passcode once prompted.
  6. Then tap to confirm all settings reset.

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Once the reset is completed, your phone will reboot automatically. Set it up like a new one then check if the issue has been rectified. 

Still having an iPhone X emails won’t send problem up to this point? 

If none of the solutions fixed the problem on your device, you need to contact your email provider and verify if there’s an ongoing server maintenance that might have been preventing a successful sending of emails. If their servers are good, you can inform Apple support about the issue. They can give you some additional information as well as official recommendations on how to fix your iPhone X that won’t send emails after iOS 13.3 update.