We found the problem of bounce mails... at least on my system...
after hours of work, my friend and I make it work.
we modify main.cf (postfix configuration) and modify this setting:
TO
mydestination = localhost myowndomain.com
(of course, myowndomain.com is my domain that I use with zimbra)
and it start working fine.
my only problem is, that on zmlocalconfig is not that setting to be modified. and it was removed on each postfix restart.
did anyone here know how to fix that setting?
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EDIT:
looking on the forum, more specific on
this thread
I found that we can change the "defaults" for main.cf file on /opt/zimbra/conf/zmmta.cf
we can change the value of the line:
I use this:
and then, with zmlocalconfig create it:
(sorry if my english is not to good, my native language is spanish) but I hope this help =)