Point release for Gateway 5.5.3 and Webmail 4.5.3

/ Martijn Brinkers

We are happy to announce a new point release of CipherMail Email Encryption Gateway, version 5.5.3 and Webmail Messenger 4.5.3.

This update will only provide updates to the ciphermail-console, ciphermail-ansible and ciphermail-appliance-core RPM packages.

This update is only relevant for user of the Professional and Enterprise edition.

You are advised to create a backup before performing the update on any production system. The full update procedure can be found here:


Customers with an active subscription can update their CipherMail installations using the CipherMail Console menu, or with the following commands on the command line:

$ sudo dnf update

After updating, restart or reboot the services using the CipherMail Console menu.

Customers with a CipherMail high-availability cluster are advised to update their cluster one node at a time. More information about cluster updates can be found on our documentation website:


Ciphermail Gateway release notes.

Ciphermail Webmail Messenger release notes