**Important**: Some providers, like ProtonMail, Tutanota and CTemplar, use proprietary email protocols, which make it impossible to use third party email apps.
**Important**: Some providers, like ProtonMail and Tutanota, use proprietary email protocols, which make it impossible to use third party email apps.
Please see [this FAQ](#user-content-faq129) for more information.
Please see [this FAQ](#user-content-faq129) for more information.
Using your own (custom) domain name, which is supported by most email providers, will make it easier to switch to another email provider.
Using your own (custom) domain name, which is supported by most email providers, will make it easier to switch to another email provider.
@ -3672,7 +3672,7 @@ You can reset asked questions via the three dots overflow menu in the miscellane
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**(129) Are ProtonMail, Tutanota, CTemplar supported?**
**(129) Are ProtonMail, Tutanota, etc supported?**