Do not bypass an HTTPS, IMAP, SMTP, CalDAV, or CardDAV certificate warning.
- Confirm the hostname is exactly one of the official addresses in Chapter 14.
- Remove misspellings, extra domains, and obsolete saved server names.
- Set the device date, time, and time zone correctly.
- Install current operating-system certificate updates.
- Try a different trusted network to rule out interception by a captive portal.
If the warning remains for an exact LightDrive hostname, stop using that connection and send Support the hostname, app, device, time, and certificate error text.