System Updates¶

Keeping Mailborder and dependencies up to date.

Update Types¶

Signature Updates (Automatic)¶

Virus signatures: Updated hourly by mb-cron Spam rules: Updated hourly GeoIP database: Updated weekly

Manual update:

sudo mb-update --all

Package Updates¶

Check for updates:

sudo apt update
sudo apt list --upgradable | grep mailborder

Update Mailborder:

sudo apt upgrade mailborder

Update all packages:

sudo apt update && sudo apt upgrade

Update Procedure¶

Minor Updates (Security/Bug Fixes)¶

Safe to apply immediately:

Backup configuration:
```
sudo mb-backup --config-only
```

Update package:

sudo apt update && sudo apt upgrade mailborder

Reload services:

sudo systemctl daemon-reload
sudo mb-services restart

Verify:
```
sudo mb-status
sudo mb-doctor
```

Major Updates (Version Changes)¶

Requires planning:

Read changelog and upgrade notes
Test in staging environment
Schedule maintenance window
Backup everything
Perform upgrade
Run database migrations
Verify functionality

Example procedure:

# Stop services
sudo mb-services stop

# Backup
sudo mb-backup --full

# Update
sudo apt update && sudo apt upgrade mailborder

# Run migrations (if needed)
sudo mb-migrate --apply

# Restart
sudo mb-services start

# Verify
sudo mb-status
sudo mb-doctor

Update Notifications¶

Enable update notifications:

sudo mb-config set system.check_updates true
sudo mb-config set system.update_notification_email admin@example.com

Check manually:

sudo mb-update --check

Rollback¶

If update causes issues:

Restore from backup:

sudo mb-restore --from /backups/mailborder-latest.tar.gz

Or downgrade package:
```
sudo apt install mailborder=6.0.0-1
```