Secure email exchange

KOSTAL would like to ensure a simple and secure e-mail exchange with all business partners.

KOSTAL offers three different encryption methods. We recommend that you select the international standard "TLS" for the transport encryption of e-mails. We would like to make the secure e-mail exchange with us as easy as possible for you. Please have your IT experts fill out the online form. If you have any questions, please do not hesitate to contact us at:

Thank you very much for your cooperation in encrypted e-mail exchange.

Business Partner Contact Information

Mandatory TLS from Leopold Kostal GmbH und Co. KG to Business Partner

To configure mandatory TLS for mails send from Leopold Kostal GmbH & Co. KG to the business partner, we require some information like used domains and TLS configuration on business partner's side. Please provide this information by filling out all fields here:

Request for TLS E-Mail encryption

Request for PGP encryption