Differences

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--- faq:email:why_mail_client_showing_ssl_certificate_expiration_warning [2021/10/11 20:19]
vikki created
+++ faq:email:why_mail_client_showing_ssl_certificate_expiration_warning [2021/10/12 11:01] (current)
vikki
@@ Line 10: / Line 10: @@
 Users who are using the following devices can try to install and trust the new root certificate manually.
-  * Windows 7
+  * [[faq:profile:how_to_install_root_cert_win_7|Windows 7]]
-  * MacOS version 10 or older
+  * [[faq:profile:how_to_install_root_cert_macos|MacOS version 10.12 or older]]
-  * iPhone iOS
+  * [[faq:profile:how_to_install_root_cert_iPhone_iOS|iPhone iOS below version 10]]
 If the above does not work for your device, you can opt to:
@@ Line 18: / Line 18: @@
   * Use a newer device with an updated OS/system, or
   * Disable SSL connection on your mail client (not recommended).
+Reference:
+[[https://letsencrypt.org/docs/dst-root-ca-x3-expiration-september-2021/|DST Root CA X3 Expiration]], [[https://letsencrypt.org/docs/certificate-compatibility/|ISRG Root X1 Certificate Compatibility]]

Afteroffice