Zertificon Secure Email Policy

In order to ensure hassle-free email communication with Zertificon, please read the following information.

Send emails to Zertificon

Use certificates for encryption

You can find the certificate of your Zertificon contact at Z1 Global TrustPoint.

For gateway-to-gateway encryption use our company certificates for S/MIME-x.509 and OpenPGP.

You will not find any personal OpenPGP certificate from Zertificon. See why in our blog.

Encrypt without certificate

Get in touch with your Zertificon contact. They will give you access to our Z1 SecureMail solution.

Email from Zertificon

We need your certificates for encryption

Simply publish your certificates at Z1 Global TrustPoint or send us a signed email with your certificate attached.

Certificates issued from unknown CAs cannot be validated. Please get in touch and we will see whether we can add the CA to our repository.

Spam and Phishing Info

Zertificon emails are sent from the domain “zertificon.com”. Our newsletters come from the subdomain “lists.zertificon.com”.

Email Attachments

For security purposes all attachments from incoming emails that could potentially contain dangerous content (viruses etc.) will be deleted. Whenever possible please convert your documents to PDF or CSV before sending them.

Files which may contain other file types such as zip archives or PDFs with attachments will only be accepted if all contained file types are also accepted.

Microsoft Office files with macros will be deleted. Learn how to delete marcos from documents.

Icon Größenbeschränkung für E-Mails

Max. Email Size is 30 MB

Emails larger than 30 MB will be rejected. To securely transfer large files please ask your contact person at Zertificon for an upload link to our Z1 SecureHub.