SEPPmail migration: on-premises and SEPPmail.cloud
SEPPmail is in use as an encryption gateway in many Swiss companies, and the appliance often runs longer than planned. I support the move to a new on-premises appliance or a new version as well as the switch to SEPPmail.cloud, including key material, GINA accounts and mail routing.
- SEPPmail
- SEPPmail.cloud
- Appliance Migration
- Cluster
- GINA
- S/MIME & OpenPGP
On-premises or cloud
In an on-premises migration the appliance changes: new hardware or VM, a new version, often a new cluster setup as well. Backup and restore transfer configuration and keys; network, certificates, licence and integrations still have to be checked individually. When switching to SEPPmail.cloud, the vendor takes over operation of the platform, but mail routing changes fundamentally: MX, connectors, SPF and submission from Microsoft 365 or Exchange are set up anew, and it must be clear which keys and GINA accounts are carried over.
Services
- Appliance replacement and upgradeBuild the new appliance, restore the backup, plan version jumps and check the release notes for behavioural changes.
- Cluster and high availabilityReplace cluster nodes one after another, replan the frontend/backend split and load balancing.
- Move to SEPPmail.cloudRouting design for inbound and outbound mail, transfer of keys, certificates and GINA accounts, adjustment of SPF and connectors.
- Directory and administrationSet up LDAP integration, admin access and roles properly in the new environment.
How an engagement runs
- InventoryVersion, licence, rules, keys, GINA accounts, integrations and submitting systems.
- Target designOn-premises or cloud, cluster or single system: a reasoned decision with a defined way back.
- Parallel operation and cutoverTest traffic on the new system, then routes switched one at a time and reversibly.
- Acceptance and decommissioningTest encryption and decryption, signatures and GINA access, then remove the old appliance from routing and monitoring.
Real-world examples
- KB: SEPPmail: architecture, cluster, backup and operation at a glance.
- Backing up and restoring the HIN mail gateway: backup and restore on a SEPPmail basis, the foundation of every appliance migration.
- SEPPmail admin GUI with LDAP authentication: connecting admin access to Active Directory.
- SEPPmail releases 15.0.6 and 15.0.6.1: what to watch for with version jumps.
- Encryption gateway behind Exchange Online: avoiding mail loops and spoofing verdicts after a routing change.