[SOLVED] zimbra server on a private IP and having trouble

[ben1967]

Dear All,

I have just implemented the open source version 7 of zimbra and its honestly a wonderful product.
had initial trouble but got everything working fine.
we would be moving to the NE version but just in initial stages and letting all our users to get comfortable with

The issue i am having is not really directly related to zimbra but i would hightly apprecite n be thnkful if someone out there would advice and help me


I am running the followin for a couple of years with absolutlety no issues

Linux server
with Sendmail as mta, mail Scanner, mailwatch,and squirrel mail
the same server runs Bind as my primary dns server and ofcourse on a public IP
domain name is --- example.com

Now i have implemented zimbra OPen source version on a private IP ( 172.16.10.1 ) a
sub domain name --- mail.example.com
created a couple of users and everything working perfect. users are able to send mail to one user to another and also to users on example.com and also they can reply back

I needed the zimbra mail users to send emails to outside world so i used my current sendmail server as a relay in mta setting in admin console and as a zimbra user able to send mail to yahoo perfectly

I changed the MX record from the private ip of zimbra host to the ip of my current sendmail cum dns server setup a split dns and checked.

when i send a mail from yahoo to a zimbra user ( i monitor my mail log on the sendmail server ) the mail comes but it is returned back saying no such user..

the error is obvious since there is no user present on the sendmail server.
the user is actually on the zimbra server

Now how would i get mail from outside world get to my zimbra server or basically how could i forward mail comming to user@mail.example.com to my zimbra server
i dont want the zimbra server to have a public IP .. tried googling a lot but no much luck

would really apprecite your advice and help

regards


simon

[phoenix]

If you want them to co-exist in the same domain then read the Split Domain article for an answer.

[ben1967]

Thanks phoenix for the quick reply and apprecite your suggestion
As I said before since I am running sendmail on my old server with a public IP and dont want to do away with it since I have over 500 users.
the domain is example.com

now on my zimbra server which is on a private IP i am creating new users and probably slowly move existing users who are interested ( once they see the over whelming features of Zimbra) to zimbra.
the domain for the zimbra server is comm.example.com

but would still like to have the current sendmail mail server running .

since my mx record for my zimbra server points to the public ip on which dns and sendmail reside i feel its the sendmail job to forward any mail comming from internet to user@example.com sendmail should take care of it as it is doing right now
but if any mail comes to user@comm.example.com it should be sent to my private IP zimbra server

Now as I ahve seen in the sendmail logs that mail sent to user@comm.example.com reaches to the server which runs sendmail but after that the mail is not forwarded to zimbra server but instead bounced back saying no user found

I feel ( maybe I am wrong ) but would aprecite to your advice that sendmail has to be aware that if any mail comes with user@comm.example.com dont proceess it but just forward it ...

[phoenix]

Originally Posted by ben1967

I feel ( maybe I am wrong ) but would aprecite to your advice that sendmail has to be aware that if any mail comes with user@comm.example.com dont proceess it but just forward it ...

Yes, that correct and you will need to create the user on the Zimbra server and migrate their email as well.

I'm assuming Sendmail is the primary server hhere, take a look at this article as well: Split Domain with a Sendmail Primary - Zimbra :: Wiki

[ben1967]

thnks so much for ur quick reply and giving me the link

i really do apprecite

i will look at this and implement it


thanks



regards


simon

[ben1967]

dear phoneix,

jus missed to metion in my earlier post that

the users created on zimbra server will be new users ..
so I guess i dont have to do anything on the /etc/aliases file

apprecite ur suggestion





regards

simon

[phoenix]

Originally Posted by ben1967

the users created on zimbra server will be new users .. so I guess i dont have to do anything on the /etc/aliases file

As long as Sendmail is forwarding unknown addresses to the Zimbra server then you're correct, you won't need to do anything.

[ben1967]

thnkas once again .. i will be testing the above out in a couple of days or so and would let you know..

right now I do have a ZCS open source on a private ip and its been workin fine
for our network

thnks a million once again for quick reply.

regards

simon

[phoenix]

Originally Posted by ben1967

thnkas once again .. i will be testing the above out in a couple of days or so and would let you know..

right now I do have a ZCS open source on a private ip and its been workin fine
for our network

thnks a million once again for quick reply.

You're welcome and good luck. If everything is OK then you can mark this thread as Solved from the Thread Tools drop-down at the top of the page.

[ben1967]

dear All,

I did setup the above setup ..
let me re explain

my domain will be abc.com

the sendmail host name is mail

my zimbra server name is zimbra
the simbra server has a split dns running as per the below document

Split DNS - Zimbra :: Wiki

and my sendmail server is configured as a smart host in zimbra admin console server settings option



I have a setup above new domain since I dont want to to disturb my current working sendmail server

what I actually need is my zimbra server to be a secondary and sendmail as primary

also only the acounts which do not exists on the sendmail primary server should be automatically send to the zimbra server

now as per the advices and help got from phoenix i followed the below link

Split Domain with a Sendmail Primary - Zimbra :: Wiki

I have a user name sim created on my sendmail server
and a user mel created on zimbra server

I can send mail from either sim or mel to each other and to outside world also
but from outside world i can send mail to sim and not to mel

when I send a mail from yahoo to mel on the sendmail server maillog i c the below
--------------
May 21 01:49:27 mail sendmail[5649]: p4KMnQfb005647: to=, delay=00:00:00, xdelay=00:00:00, mailer=esmtp, pri=123298, relay=zimbra.int. [91.198.134.30], dsn=2.0.0, stat=Sent (Ok: queued as 01F598E027F)
May 21 01:49:28 mail sendmail[5650]: p4KMnSab005650: from=, size=4121, class=0, nrcpts=1, msgid=<218935.22498.qm@web112617.mail.gq1.yahoo.com>, bodytype=7BIT, proto=ESMTP, daemon=MTA, relay=zimbra [91.198.134.30]
May 21 01:49:28 mail sendmail[5652]: STARTTLS=client, relay=zimbra.int., version=TLSv1/SSLv3, verify=FAIL, cipher=DHE-RSA-AES256-SHA, bits=256/256
May 21 01:49:28 mail sendmail[5652]: p4KMnSab005650: to=, delay=00:00:00, xdelay=00:00:00, mailer=esmtp, pri=124121, relay=zimbra.int. [91.198.134.30], dsn=2.0.0, stat=Sent (Ok: queued as C2B9F8E027F)
May 21 01:49:28 mail sendmail[5653]: p4KMnSkT005653: from=, size=4944, class=0, nrcpts=1, msgid=<218935.22498.qm@web112617.mail.gq1.yahoo.com>, bodytype=7BIT, proto=ESMTP, daemon=MTA, relay=zimbra [91.198.134.30]
May 21 01:49:28 mail sendmail[5655]: STARTTLS=client, relay=zimbra.int., version=TLSv1/SSLv3, verify=FAIL, cipher=DHE-RSA-AES256-SHA, bits=256/256
May 21 01:49:28 mail sendmail[5655]: p4KMnSkT005653: to=, delay=00:00:00, xdelay=00:00:00, mailer=esmtp, pri=124944, relay=zimbra.int. [91.198.134.30], dsn=2.0.0, stat=Sent (Ok: queued as 40B908E027F)
May 21 01:49:29 mail sendmail[5656]: p4KMnT05005656: from=, size=5767, class=0, nrcpts=1, msgid=<218935.22498.qm@web112617.mail.gq1.yahoo.com>, bodytype=7BIT, proto=ESMTP, daemon=MTA, relay=zimbra [91.198.134.30]
May 21 01:49:29 mail sendmail[5658]: STARTTLS=client, relay=zimbra.int., version=TLSv1/SSLv3, verify=FAIL, cipher=DHE-RSA-AES256-SHA, bits=256/256
May 21 01:49:29 mail sendmail[5658]: p4KMnT05005656: to=, delay=00:00:00, xdelay=00:00:00, mailer=esmtp, pri=125767, relay=zimbra.int. [91.198.134.30], dsn=2.0.0, stat=Sent (Ok: queued as 0DD968E027F)
May 21 01:49:30 mail sendmail[5659]: p4KMnTPj005659: from=, size=6590, class=0, nrcpts=1, msgid=<218935.22498.qm@web112617.mail.gq1.yahoo.com>, bodytype=7BIT, proto=ESMTP, daemon=MTA, relay=zimbra [91.198.134.30]
May 21 01:49:30 mail sendmail[5659]: p4KMnTPj005659: SYSERR(root): Too many hops 26 (25 max): from via zimbra, to
----
this sttes that there is loop if im not mistaken
-------

then just for testing I commented the mel: mel@zimbra.int entry in my /etc/aliases file on my sendmail server and i see the below message in my /var/log/maillog

mail sendmail[5593]: p4KMLcdK005593: ... User unknown

any advice , help or links on how to forward users not in my sendmail server to the zimbra server..

i really would appreciate your help and advice

regards

simon