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Questions tagged [zimbra]

Zimbra Collaboration Suite (ZCS) is a groupware product created by Zimbra, Inc., located in Palo Alto, California, USA.

The company was purchased by Yahoo! in September 2007, and subsequently purchased by VMware on Tuesday, January 12, 2010. The software consists of both client and server components. Two versions of Zimbra are available: an open-source version, and a commercially supported version ("Zimbra Network") with closed-source components such as a proprietary MAPI connector to Outlook for calendar synchronization.

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zmconfigd service failed after trying to do Relay per domain

I was trying to do mail relay per domain in Zimbra mail server using this documentation After I done the changes mentioned "ZCS 8.8 instructions" section and try to restart the services of zimbra I get the following error Host SERVER…
Kerolos William
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How to enable email relay in Zimbra in same domain, sent from O365

So i have to use a shared domain during migration from Zimbra to O365. MX points to Zimbra, but is also configured to enable outgoin emails from O365 to the world in the same domain. I've configured a connector on O365 to the zimbra (it works), and…
kjubus
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Mail clients circumventing Postfix antispoofing through IMF messages

I'm running Zimbra 8.6 Network Edition and I'm trying to prevent compromised mailboxes on my platform from spoofing other domains on the same platform. I've enforced reject_sender_login_mismatch in the Postfix configs as shown…
dorux
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Zimbra with multiple domains - SPAM

I have a zimbra installed and working fine. The main domain is mbox.dominiocorp.com.br (fictitious).. I have SPF, DKIM, _dmarc, reverse configured and tested. The emails of the domain mbox.dominiocorp.com.br enter the inbox. I added two more domains…
Christovam
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What are all these DGRAM items in NETSTAT?

I am assigned a server that has been sending tons of data ourside and isn't used. So, it is most likely compromised. Nothing really seems to be out of order on the server except, they're miles and miles of these DGRAM items in netstat. unix 2 …
LUser
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Is it possible to use wildcards when blocking sub-domains on a Zimbra server (postfix)

I have a zimbra 8.7.11 community edition server running on Ubuntu 14.04.5 LTS. Sometimes, individual SMTP servers from very large domains, such as yahoo.com or hotmail.com get listed in DNS RBLs. I was trying to whitelist their servers at the…
David Killingsworth
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What is the correct format for blocking users at the postfix level on a zimbra server?

I have a zimbra 8.7.11 community edition server running on Ubuntu 14.04.5 LTS. This particular mail server is getting attacked by @qq.com domain. The messages are randomized so that the from address and the server IP address that the messages are…
David Killingsworth
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How to change ip address used by Zimbra zcs 8.6

For postfix I can change the binded ip by changing parameter like smtp_bind_address = 192.168.146.197 in main.cf How to change the ip address binded by zimbra(server have multi ip's) ?
sherpaurgen
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Forward all ZIP attachments to a single central address

Lately my server has been getting pounded with spam containing ZIP attachments (presumably infected with something). They go to most of our users, and the fear is someone will open one. Users are trained to not open attachments without IT Dept's…
SnakeDoc
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Testing Zimbra email routing

I am an experienced Exim user and just recently testing Zimbra Open Source, and I am loving it already. However, I am used to this command whenever I wanted to test email routing in the email server, whether I am testing for the routing of local…
James A
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How to export address book from Zimbra?

I want to export all users' contacts (Address book) in csv format for migration purpose. Zimbra is runing on ubuntu and I want to do this from cli. How shall I proceed? I have refereed to this link but this is not an option for me. Kindly let me…
Arka Majumdar
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Prevent MAILER-DAEMON NDRs from deferring in Barracuda

Mail Server: Zimbra 6.0.9 Spam-Firewall: Barracuda Spam Firewall 300 (Firmware v6.1.5.006) All spam firewalls only work so well, and unfortunately some spam will come through. Incoming spam will often attempt to send messages to invalid addresses on…
root
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How to allow connections in zimbra/mail client?

I installed a Zimbra server into CentOS 6, enter the admin panel via web HTTPS over port 7071, the problem is I can not access the web mail client (port 445), I can only access via localhost. I reviewed this port from bash: [root@host etc]# netstat…
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Zimbra server - High CPU Utilization

I have used Zimbra server a number of times and it's great, but each time I had to abandon it because of a CPU utilization issue. The mail servers I set up are commonly small organizations with only a few hundred emails a day max. The last time I…
Paul Perrick
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Zimbra 8.04 policyd... Message quota is been counted by count of recipients

I've ran onto a behavior issue that I cannot see how to fix. I've configured Zimbra (8.0.4) with policyd, following this tutorial Step1: Create a policy Step2: Create a group (list_domain) Step3: Add a domain to the group (@example.com) Step4: Add a…
Stavros Souvatzis
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