How to Clear an SSL Certificate from Your Computer, Android, and iPhone

Is your email application suddenly prompting you to re-trust your SSL certificate? Or are you seeing an SSL-related error when you try to send/receive mail? Your email application may be having trouble reading or importing the SSL Certificate. This article explains how to delete the SSL certificate from your computer, which will force your email application to reinstall the certificate the next time you get your mail.

• What Are Stored SSL Certificates in Email Applications
• Windows Email App
• Apple Email
• Mozilla
• iOS Device
• Android Device

What Are Stored SSL Certificates in Email Applications

Stored SSL certificate in email apps are digital certificates saved on your device by email clients. They create a secure, encrypted link between your email client and server, protecting data exchanged. These certificates confirm the server's identity, guarding against security threats like man-in-the-middle attacks. Sometimes, you may need to clear these certificates if they're outdated or corrupted to maintain secure email communication.

Windows Email App

Follow these steps to delete the SSL certificate for your Windows email application:

1. Close your email application.
2. Go to the Start Menu button and search for Internet Options.
3. In Internet Options, click Content.
4. Click Clear SSL State.
5. Re-open your email application.

Apple Email App

Follow these steps to delete the SSL certificate for your Apple email application:

1. Close your email application.
2. Go to your Finder menu.
3. Click the Go menu and then select Utilities in the submenu. (alternatively, press Shift + Command + U)
4. Scroll down and open Application KeyChain Access, and then select Keychain System Roots from the sidebar.
5. Locate the root certificate you want to delete and double-click on it.
6. Right-click on the certificate named *.Bluehost.com
7. In the menu, select Delete "*.Bluehost.com"
8. When prompted, provide your password to authorize modifying the keychain.

   Note: After the deletion, if there's a window that opens, choose never trust as a setting for When using this certificate under the trust settings.

9. After a brief wait, you should no longer see the certificate in the certificate list.

Mozilla

Follow these steps to delete the SSL certificate under the Mozilla browser.

1. After opening Firefox, navigate to the Options from the top right hamburger menu.
2. Select Privacy & Security and scroll down to Certificates.
3. Click on the View Certificates button.
4. Select the Authorities tab, and look for the SSL Certificate that you would like to delete.
5. Select the certificate and click the Delete or Distrust button.
6. In the prompted dialogue, select the correct Root Certificate and then click OK.

iOS Device

Follow these steps to delete the SSL certificate on your iPhone or iPad.

1. Open the Settings application, and then select General.
2. Select the Profile containing the SSL Certificate that you would like to delete (Pre-installed SSL cannot be removed).
3. Tap the Delete Profile and enter your device password.
4. Tap the Delete button again to confirm.

Android Device

Follow these steps to delete the SSL certificate on your Android device.

1. Open the Settings application, and select the Security option.
2. Navigate to the Trusted Credentials.
3. Tap on the SSL certificate that you would like to delete.
4. Tap the Disable button.

When restarting your email program, you may be prompted to re-trust the certificate. Follow the steps in our SSL Trust Error in Email Applications article to permanently "trust" the certificate.

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