# Email Security

## Certificates

Certificates can be uploaded to Email This Issue to process encrypted emails with Mail handlers. Currently, only PKCS12 certificates are supported.

<figure><img src="https://4173056255-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FY44m7ZY1jU4Arh2tzwNn%2Fuploads%2FR3cujYqr48r4ZTnBykuJ%2FScreenshot%202024-01-30%20at%2013.07.01.png?alt=media&#x26;token=c8415bf2-43f8-4d6f-a064-86f8125a01df" alt=""><figcaption><p>Certificate listing page</p></figcaption></figure>

### Adding Certificate

To upload a Certificate the following are compulsory:&#x20;

* a name&#x20;
* the certificate file itself&#x20;
* the corresponding Certificate and Private Key passwords (these are usually identical). Please keep in mind that the name should be unique across all the certificates.

<figure><img src="https://4173056255-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FY44m7ZY1jU4Arh2tzwNn%2Fuploads%2FjJNNRS1eqEv0wKQek6ba%2FScreenshot%202024-01-30%20at%2015.09.21.png?alt=media&#x26;token=afb4642c-9f20-4629-9858-7e555f2130e4" alt=""><figcaption><p>Certificate add screen</p></figcaption></figure>

Certificates are not editable, therefore if a certificate expires a new one has to be created.