ZCS Administrator's Guide 8.0.3
ZCS Administrator's Guide 8.0.3
Open Source Edition

Appendix A Command-Line Utilities > zmtlsctl

This command is used to set the Web server zimbraMailMode to the communication protocol options: HTTP, HTTPS, Mixed, Both and Redirect.
HTTPS. HTTPS only, the user would browse to https:/zimbra.domain.com. http:// is denied.
Mixed If the user goes to http:// it will switch to https:// for the login only, then will revert to http:// for normal session traffic. If the user browses to https://, then the user will stay https://
Both A user can go to http:// or https:// and will keep that mode for the entire session.
Redirect Like mixed if the user goes to http:// it will switch to https:// but they will stay https:// for their entire session.
All modes use SSL encryption for back-end administrative traffic.
Important: Only zimbraMailMode HTTPS can ensure that no listener will be available on HTTP/port 80, that no client application will try to auth over HTTP, and that all data exchanged with the client application will be encrypted.
Mailboxd has to be stopped and restarted for the change to take effect.
zmtlsctl [mode]
mode = http, https, mixed, both, redirect
Steps to run
Type zmtlsctl [mode] and press enter.
Type zmmailboxdctl stop and press enter.
When mailboxd is stopped, type zmmailboxdctl start and press enter.
Limitations When Using Redirect
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