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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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Email Server IP Address is Blacklisted

we have a Zimbra Mail server that was being used for 2 months now. the last week we faced a problem that the Public IP that was being used for our mail server started to be blacklisted and we couldn't send emails to many other domains. we found that…
bogha
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Broken Zimbra after securing SSH

I have a CentOS 5.7 server with Zimbra installed and all was working fine. I just secured SSH by: changing to another port denying root login enabling StrictModes changed AllowUsers to only 1 user (not zimbra) disabling RSAAuthentication enabling…
PeeHaa
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How do append a CA to an SSL certificate?

I am trying to setup an SSL cert for a domain on my Zimbra server. When I go to the place where it wants to me to paste the certs into the borwser windows it pops up a little warning message that says. How do I append the CA to the domain cert?
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Disable reverse PTR check in Zimbra and force accept from invalid domains

I've moved an older Sendmail/Dovecot system to a Zimbra community edition system. I need to be able to receive messages from certain standalone Linux hosts that may not have valid A records or proper reverse DNS entries established (e.g. AT&T is the…
ewwhite
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Zimbra: changing postfix parameters

I would like to change mynetworks Postfix configuration parameter in Zimbra 7 on Debian GNU/Linux 5.0. I tried the following (as zimbra user): $ zmlocalconfig -e postfix_mynetworks="127.0.0.0/8 [...]" $ postconf -e mynetworks="127.0.0.0/8…
stivlo
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export user maildir from zimbra

I need to export all one specific account e-mails in "raw" format from Zimbra server. POP3 is not an option because it is needed for legal department usage and they insist that they want users maildir :) I presume they are located in store folder,…
Kristaps
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New email system

I am in charge of planning a new email system for my company of about 150 users and we are looking for email solutions. We are looking to host the email in-house, and we are kind of looking towards Zimbra virtual appliance. I was wondering if anyone…
user66115
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Best Linux Email solution for small business migrating from Exchange

We currently have approximately 50 users in an Exchange 2003 environment. We have about 25 users who get email via iPhone or other smart-phone. Currently, we are pushing the Exchange database cap (70 of 75 gig). We are considering the pro version…
David Hamilton
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New installation Zimbra mails end up in Spam folder of Gmail and Yahoo

I have setup a new Zimbra Open Source installation. This is a new email server and the IP of this server is not Black listed in most prominent Block Lists. But what ever I have tried the emails still end up in the Spam folder. The headers which I…
user60699
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Can I link directly to an email in a user's zimbra webmail client?

I'm using Zimbra's handy RESTful xml API (http://wiki.zimbra.com/wiki/ZCS_6.0:Zimbra_REST_API_Reference:Get_Folder) to pull down important emails from a user's email account. I'd like to make them link back to the message on their webmail client,…
Parker
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LDAP + Zimbra authentication

I'm trying to configure external LDAP authentication from my LDAP box through Zimbra. Both servers are running on CentOS. The Zimbra wiki has documentation but it's still leaving me…
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Postfix DDoS mitigation: how to whitelist IPs for IMAP access to a single mailbox

Does (Zimbra using) Postfix have an option to whitelist IPs or domains for IMAP logins for a specific mailbox only? This is what we would like to achieve: all IPs can open an IMAP connection on port 993 with valid a@example.com credentials all IPs…
imapq
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Setup policyd on Zimbra 8.8.x to rate limit the number of messages each account can send with smtp-auth

I'm running Zimbra 8.8.9 and I'm trying to rate limit the number of messages that a single user can send over smtp after authenticating with smtp-auth. The purpose is to limit the damage in case one of the passwords of my users is guessed/obtained…
Luca Gibelli
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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…
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