This I had already understood more in zimbra version 5.0.18 it was working normally with the host lnxmail.tce.mt.gov.br
I have two environment-mail running here, zimbra is working with the transport.
I restore a server in the Zimbra 5.0.18 to see how the settings were before the updates
My main domain is the lnxmail.tce.mt.gov.br the mail.tce.mt.gov.br I'm using to connect to active directory and also arrive where the
email@tce.mt.gov.br