Category: ZIMBRA

Tips on how to Install/configure Zimbra Mail system

ZIMBRA

LibClamAV Error: mpool_malloc(): Attempt to allocate 8388608 bytes

Lately I updated the Ubuntu 12.04 where I run Zimbra 8.x and found that the log file of ‘clamd’ process was filling incredibly fast with the follwoing error line and the emails received’s subject were tagged with ‘**UNCHECKED**’ LibClamAV Error: mpool_malloc(): Attempt to allocate 8388608 bytes. Please report to http://bugs.clamav.net Finally I found a solution …

ZIMBRA

Some useful commands for Zimbra

Show the expiry date of the installed certificate: Run as root user: /opt/zimbra/bin/zmcertmgr viewdeployedcrt all |grep notAfter Restart all the Zimbra services Run as zimbra user: zmcontrol stop ; zmcontrol start Check the status of all running Zimbra services: Run as zimbra user: zmcontrol status Display the version of the current Zimbra: Run as zimbra …

Linux, ZIMBRA

Configuring Zimbra to deliver mail using SSL/TLS

Reference: http://wiki.zimbra.com/index.php?title=Outgoing_SMTP_Authentication#Enable_TLS ssh root@server.mydomain.com su – zimbra zmlocalconfig -e postfix_smtp_tls_security_level=may zmcontrol restart Sent an email to normal postfix server: Check the headers of received email: Received: from server.mydomain.com (static.66.240.40.188.clients.your-server.de [188.40.240.66]) by mail.mydomain.com (Postfix) with ESMTPS id E457F3E09E for ; Fri, 19 Apr 2013 23:35:31 +0200 (CEST) Sent to GMAIL server: Received: from server.mydomain.com (static.66.240.40.188.clients.your-server.de. [188.40.240.66]) …

Linux, ZIMBRA

Install Geotrust certificate in Zimbra 8.x

The best way to install a RapidSSL cert is via the CLI as the root user. Reference: (18-12-2012 @ 23:39 BST) http://elijahpaul.co.uk/2012/12/installing-a-rapidssl-certificate-on-zimbra-8-0/#.UVjDBhlSP5g 1. Start by logging into your Zimbra servers CLI via SSH. 2. As root begin by generating a Certificate Signing Request (CSR). Below replace ‘mail.yourdomain.com’ with the FQDN of your Zimbra server. /opt/zimbra/bin/zmcertmgr …

Linux, ZIMBRA

Configuring DKIM Authentication in Zimbra

Configuring Zimbra 8.x to use DKIM Authentication Example for ‘mydomain.com’ ssh root@zimbra.mydomain.com su – zimbra Creating the DKIM keys for a domain: /opt/zimbra/libexec/zmdkimkeyutil -a -d mydomain.com Example of result: 50F0EEFE-AB8C-11E2-B7AE-FC2CE654A0ED._domainkey IN TXT ( “v=DKIM1; k=rsa; ” “p=MIGfMA0GCSqGSIb3DQEBAQUCA4GNADCBiQKBgQDodIcoFWJsfsSzsdINY/ZiOKn3qKLt+qmEl1cDYApi0PCHwQmqTl9mhRKs3obfgN8O9nT227CDg9NI7MMu8r0fOatQRQ1YHesDmHIo1lELioDNd5QZPg1AUum0CPsDuR+YI5AG5wZhZ4c3ei0Uv3cu4aTIhGrRgnD081sysJ5vZwIDAQAB” ) ; —– DKIM key 50F0EEFE-AB8C-11E2-B7AE-FC2CE654A0ED for mydomain.com IMPORTANT: Enter the above result as TXT field in the …