I found an error in the /opt/zimbra/log/mailbox.log on my zimbra server 2019-11-25 14:12:11,593 ERROR [ScheduledTask-2] [name=galsync@domain.com;mid=116;ds=external;] gal – Error executing gal search com.zimbra.cs.ldap.LdapException: LDAP error: – unable to get connection: ldap host=: An error occurred while attempting to connect to … Continue reading →