Greetings, I'm a little confused so I'll be brief:
Environment: WAN --- ------ routerNAT serverZimbra
Configurations: dnsmasq OK
cat / etc / hosts -> 127.0.0.1 localhost.localdomain localhost
192.168.150.16 mail.midominio.com
cat / etc / resolv.conf -> search midominio.com
nameserver 127.0.0.1
Code:
[root@mail ~]# dig midominio.com mx

; <<>> DiG 9.7.3-P3-RedHat-9.7.3-8.P3.el6_2.2 <<>> midominio.com mx
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 14652
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; QUESTION SECTION:
;midominio.com.		IN	MX

;; ANSWER SECTION:
midominio.com.	0	IN	MX	5 mail.midominio.com.

;; ADDITIONAL SECTION:
mail.midominio.com.	0	IN	A	192.168.150.16

;; Query time: 0 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Mar 28 00:09:19 2012
;; MSG SIZE  rcvd: 85
Code:
[root@mail ~]# dig midominio.com any

; <<>> DiG 9.7.3-P3-RedHat-9.7.3-8.P3.el6_2.2 <<>> midominio.com any
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 37384
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; QUESTION SECTION:
;midominio.com.		IN	ANY

;; ANSWER SECTION:
midominio.com.	0	IN	MX	5 mail.midominio.com.

;; ADDITIONAL SECTION:
mail.midominio.com.	0	IN	A	192.168.150.16

;; Query time: 0 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Mar 28 00:11:11 2012
;; MSG SIZE  rcvd: 85
Code:
[root@mail ~]# host mail.midominio.com
mail.midominio.com has address 192.168.150.16
The router has a redirection of all traffic on the public IP to private, but I can not connect to port 25 by telner from outside my network, bounce mails, gmail and others do not return error messages
log zimbra:
Code:
Mar 27 20:28:03 mail zmmailboxdmgr[13877]: status requested
Mar 27 20:28:03 mail zmmailboxdmgr[13877]: status OK
Mar 27 20:28:03 mail zmmailboxdmgr[13886]: status requested
Mar 27 20:28:03 mail zmmailboxdmgr[13886]: status OK
Mar 27 20:28:05 mail zmmailboxdmgr[14228]: status requested
Mar 27 20:28:05 mail zmmailboxdmgr[14228]: status OK
Mar 27 20:29:05 mail zmmailboxdmgr[14481]: status requested
Mar 27 20:29:05 mail zmmailboxdmgr[14481]: status OK
Mar 27 20:29:05 mail zmmailboxdmgr[14490]: status requested
Mar 27 20:29:05 mail zmmailboxdmgr[14490]: status OK
Mar 27 20:29:51 mail postfix/smtpd[14685]: connect from mail.mydominio.com[192.168.150.16]
Mar 27 20:29:51 mail postfix/smtpd[14685]: B25BD16324D: client=mail.mydominio.com[192.168.150.16]
Mar 27 20:29:51 mail postfix/cleanup[14689]: B25BD16324D: message-id=<1674157495.0.1332898191423.JavaMail.root@mail.mydominio.com>
Mar 27 20:29:51 mail postfix/qmgr[2524]: B25BD16324D: from=<admin@mydominio.com>, size=600, nrcpt=1 (queue active)
Mar 27 20:29:51 mail postfix/smtpd[14685]: disconnect from mail.mydominio.com[192.168.150.16]
Mar 27 20:29:51 mail amavis[2246]: (02246-01) ESMTP::10024 /opt/zimbra/data/amavisd/tmp/amavis-20120327T202951-02246: <admin@mydominio.com> -> <arunn17817@gmail.com> SIZE=600 Received: from mail.mydominio.com ([127.0.0.1]) by localhost (mail.mydominio.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP for <arunn17817@gmail.com>; Tue, 27 Mar 2012 20:29:51 -0500 (COT)
Mar 27 20:29:51 mail amavis[2246]: (02246-01) Checking: 0V+vBg7aLRGC MYNETS [192.168.150.16] <admin@mydominio.com> -> <arunn17817@gmail.com>
Mar 27 20:29:52 mail postfix/smtpd[14697]: connect from localhost.localdomain[127.0.0.1]
Mar 27 20:29:52 mail postfix/smtpd[14697]: 1ED5E163254: client=localhost.localdomain[127.0.0.1]
Mar 27 20:29:52 mail postfix/cleanup[14689]: 1ED5E163254: message-id=<1674157495.0.1332898191423.JavaMail.root@mail.mydominio.com>
Mar 27 20:29:52 mail postfix/qmgr[2524]: 1ED5E163254: from=<admin@mydominio.com>, size=1065, nrcpt=1 (queue active)
Mar 27 20:29:52 mail amavis[2246]: (02246-01) FWD via SMTP: <admin@mydominio.com> -> <arunn17817@gmail.com>,BODY=7BIT 250 2.0.0 from MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as 1ED5E163254
Mar 27 20:29:52 mail amavis[2246]: (02246-01) Passed CLEAN, MYNETS LOCAL [192.168.150.16] [192.168.150.16] <admin@mydominio.com> -> <arunn17817@gmail.com>, Message-ID: <1674157495.0.1332898191423.JavaMail.root@mail.mydominio.com>, mail_id: 0V+vBg7aLRGC, Hits: -2.91, size: 600, queued_as: 1ED5E163254, 400 ms
Mar 27 20:29:52 mail postfix/smtp[14690]: B25BD16324D: to=<arunn17817@gmail.com>, relay=127.0.0.1[127.0.0.1]:10024, delay=0.48, delays=0.07/0.01/0.01/0.4, dsn=2.0.0, status=sent (250 2.0.0 from MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as 1ED5E163254)
Mar 27 20:29:52 mail postfix/qmgr[2524]: B25BD16324D: removed
Mar 27 20:29:52 mail amavis[2246]: (02246-01) extra modules loaded: /opt/zimbra/zimbramon/lib/x86_64-linux-thread-multi/auto/Net/SSLeay/autosplit.ix, /opt/zimbra/zimbramon/lib/x86_64-linux-thread-multi/auto/Net/SSLeay/randomize.al, IO/Socket/SSL.pm, Net/LDAP/Extension.pm, Net/SSLeay.pm
Mar 27 20:29:53 mail postfix/smtp[14698]: 1ED5E163254: to=<arunn17817@gmail.com>, relay=gmail-smtp-in.l.google.com[74.125.47.26]:25, delay=1.6, delays=0.07/0.01/0.45/1.1, dsn=2.0.0, status=sent (250 2.0.0 OK 1332898059 h26si689290anm.167)
Mar 27 20:29:53 mail postfix/qmgr[2524]: 1ED5E163254: removed
Mar 27 20:30:01 mail zimbramon[14724]: 14724:info: 2012-03-27 20:30:01, QUEUE: 0 0
Mar 27 20:30:06 mail zmmailboxdmgr[15230]: status requested
Mar 27 20:30:06 mail zmmailboxdmgr[15230]: status OK
Mar 27 20:30:07 mail zmmailboxdmgr[15457]: status requested
Mar 27 20:30:07 mail zmmailboxdmgr[15457]: status OK
Mar 27 20:30:07 mail zmmailboxdmgr[15466]: status requested
Mar 27 20:30:07 mail zmmailboxdmgr[15466]: status OK
Code:
Mar 27 20:41:24 mail zmmailboxdmgr[21443]: status requested
Mar 27 20:41:24 mail zmmailboxdmgr[21443]: status OK
Mar 27 20:41:28 mail postfix/smtpd[14697]: timeout after END-OF-MESSAGE from localhost.localdomain[127.0.0.1]
Mar 27 20:41:28 mail postfix/smtpd[14697]: disconnect from localhost.localdomain[127.0.0.1]
Mar 27 20:42:05 mail zmmailboxdmgr[21969]: status requested
Mar 27 20:42:05 mail zmmailboxdmgr[21969]: status OK
Mar 27 20:42:26 mail zmmailboxdmgr[22198]: status requested
Mar 27 20:42:26 mail zmmailboxdmgr[22198]: status OK
Mar 27 20:42:26 mail zmmailboxdmgr[22207]: status requested
Mar 27 20:42:26 mail zmmailboxdmgr[22207]: status OK
Mar 27 20:43:27 mail zmmailboxdmgr[22491]: status requested
Mar 27 20:43:27 mail zmmailboxdmgr[22491]: status OK
Mar 27 20:43:27 mail zmmailboxdmgr[22500]: status requested
Mar 27 20:43:27 mail zmmailboxdmgr[22500]: status OK
Please if anyone has any ideas, I will help.
Gracias de ante mano a todos !!