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Lesson 17 -- Certificate Import and Export
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* October 23, 2019, 06:38:26 AM
Above all, this lesson may not be helpful to you because MeSince doesn’t require manual setting for certificate export. Certificate management is all senseless and automatic.
Nearly as soon as a user sets his email account, MeSince installs the default encrypting certificate and signing certificate for him. The user does not need to export, import or backup anything. The encrypting certificate is safely stored in our cloud server. At the first time the user uses MeSince and signs in his account on MeSince, it will be downloaded and installed perfectly.

For those who want to export the certificates, here is the guide.

For MeSince Windows version, encrypting certificates and signing certificates are securely stored in the Windows certificate store. To export your MeSince certificate, just go to Internet Explorer (Internet Options - Content - Certificates - Personal) or MMC (Certificate Management - Current User - Personal) to export your MeSince certificate, the issuing CA name is MeSince V1/V2/V3/V4 Identity CA.

Please note: The certificate protection password you set is only for the exported certificate file. If you forget this password, you can continue to export and set a new protection password. Please do not confuse this password with the certificate protection password you set on the MeSince website if you have set. If you have set the certificate private key protection password on the website, you will be required to enter The Password before exporting the certificate, otherwise it cannot be exported.

MeSince Windows version will automatically install the MeSince Root Certificate to the "Trusted Root Certification Authorities", and the user certificate is also automatically installed in the Windows user certificate store, so Office Outlook users can automatically use the Outlook to encrypt and decrypt email without any settings, just need to choose "signing" and/or "encrypting" when sending email using Outlook.

MeSince Android and iOS version don’t provide the certificate export function. Again, the export and import certificate to other email client is a hard work, no need to waste your time to do that, just use MeSince.

MeSince is an email client based on International standard, S/MIME, which allow users to import their own certificates that are not issued by MeSince. You can send your certificate of its pfx format to yourself via email and then click the attachment and the certificate will be installed automatically. After that, you can set it as your default encrypting certificate and signing certificate. However, the certificate you import may be displayed with “Untrusted by MeSince”. This is because the CA that issued the certificate did not apply for MeSince Certification. While the encryption and signing is not affected, only the UI is slightly different.