Zimbra Sccfd !link! May 2026
zmcontrol stop sccfd zmcontrol start sccfd To trigger sccfd immediately (instead of waiting for next interval):
su - zimbra zmcertmgr viewdeployedcrt # Check current expiry zmcertmgr renewcrt # Force renewal if within threshold Or restart sccfd – it will check on startup: zimbra sccfd
zmcontrol restart sccfd zmacmedomain list 7. Common Issues & Fixes Issue 1: sccfd not running after upgrade Fix: Re-enable Let's Encrypt integration: zmcontrol stop sccfd zmcontrol start sccfd To trigger
/opt/zimbra/libexec/acme-client -d yourdomain.com -v Cause: Too frequent checks or large cert chain. Fix: Increase ssl_sccfd_check_interval to 172800 (2 days). Issue 4: Certificate renewed but not deployed Fix: Manually reload proxy: zimbra sccfd
