Una pregunta jc.sanchez al respecto, crees que sea conveniente instalar el Zimbra en el Ubuntu 12.04? Yo estoy usando la versión Desktop y la veo bastante inestable, mejorando pero aún inestable. Has...

Yo estoy buscando la solución a este problema desde que instale el Zimbra hace poco más de 6 meses.

En mi redes de confianza solo tengo al localhost y la ip del servidor Zimbra. En la consola de...

Anyone knows what could be done in my situation?

regards

That is, there is no way to prevent the following scenario:

A user who is inside my network but not in my trusted networks connected via telnet port 25 or using a mail client, in MAIL FROM puts...

How to prevent then that they can send mail to local accounts through my server except for authenticated users or the IP in postfix trusted network (zimbra server and ISP server)?

Hello, I'm trying to download the patch for version 7.1.4 of the Collaboration Server 7.1.4 but it seems that the link is broken. Someone could check this?

regards

This procedure works in the Zimbra Open Source Edition 7?

I tried it, and even so I can send emails from any email address.

regards

When I try to send an email tells me that the username and password is incorrect and is not. In the server logs shows me the following.


Aug 18 17:49:57 zimbra saslauthd[21225]: zmauth:...

I connect to my server via telnet as you said, I get the message "Relay access denied"

Now when I try to send a mail using SMTP authentication, in this case using the Thunderbird mail client,...

The mail client that is used by users on my network is Microsoft Outlook. It has an option called "My outgoing server (SMTP) requires authentication" if the user does not select this option, the mail...

This is what I have set and still I can send emails with a nonexistent domain user ...

http://i.imgur.com/ditPo.png

http://i.imgur.com/hoGkn.png

In my trusted networks I have only the IP address of my server. Using the command
zmprov ms MY-SERVER.COM zimbraMtaMyNetworks '127.0.0.0/8 10.24.0.21/32 192.168.250.4/32'

I only need that on my...

Yes, I am in the same LAN.

The IP address of my Zimbra server is 10.24.0.21 and I sent emails from the address 10.24.0.7 to an account in Gmail or Yahoo mail for example.

Hello, I followed all the instructions of the page RestrictPostfixSenders - Zimbra:: Wiki. In the final step, test the SMTP via Telnet, the server gives me the following error:

zimbra @ zimbra: ~...

When I said "I have the same problem" I meant I did exactly what the user sridharsagi did .

I can send mail through my server without a user account ...

What would you recommend to prevent this...

I have the same problem.

Could you please post your solution?

I need to do the same!!!

Anyone?

Now, after I do what you told:

I have to restart de server?

How can I see that is working?

I have the same problem that Kevin has, in my case when I put

mcf zmprov zimbraMtaRelayHost my.relay.com

I can not send mail outside the domain, in the file zimbra.log

May 13 12:58:55 zimbra...