Postfix can be configured to relay mail for users at remote locations with a valid username and password combination. Following this guide will allow Authenticated SMTP and passwords to be sent in plain text. A secure transport layer should be implemented to ensure that usernames and passwords can not be eavesdropped while in transit. AuthenticatedContinue reading “Configure Postfix for authenticated Simple Mail Transfer Protocol (SMTP)”
Category Archives: Technical
15 Quotes from Torvalds and Stallman about Free and Open Source Software
I read the below quotes, and I wanted to share them with everyone 1. “To be able to choose between proprietary software packages is to be able to choose your master. Freedom means not having a master. And in the area of computing, freedom means not using proprietary software.” -Richard M. Stallman 2. “Software isContinue reading “15 Quotes from Torvalds and Stallman about Free and Open Source Software”
Four Linux softphones reviewed
Many businesses are turning to Voice over IP (VoIP) to save money on infrastructure and communications costs, but just ripping out your existing phone system and replacing it with VoIP will not work. VoIP systems require IP phones or analog telephone adapters to allow your existing phones to work. If equipment costs are stopping youContinue reading “Four Linux softphones reviewed”
Zimbra and Hylafax integration
You can setup Zimbra CS as a gateway for HylaFax users to send fax out using the scheme <fax number>@fax.our.domain, following these steps: Edit file /opt/zimbra/postfix/conf/master.cf, append this line: fax unix – n n – 1 pipe flags= user=uucp argv=/usr/bin/faxmail -d -n ${user} Edit file /opt/zimbra/postfix/conf/transport, append this line: fax.your.domain fax:localhost And then use thisContinue reading “Zimbra and Hylafax integration”
What is cloud computing?
Cloud computing can be loosely defined as using scalable computing resources provided as a service from outside your environment on a pay-per-use basis. You use only what you need, and pay for only what you use. You can access any of the resources that live in the “cloud” at any time, and from anywhere acrossContinue reading “What is cloud computing?”
Configure vTigerCRM to authenticate users using OpenLDAP (running inside Zimbra server)
vTiger itself supports to authenticate with LDAP users in the core. However, the authLDAP module need to be added to get this works. Please do following steps: Download authLDAP at: http://forums.vtiger.com/download.php?id=278&sid=fc740e44553f4f8ba3aaf01a620019f0 Extract and copy the folder authLdap to modules/Users/ Enable LDAP authentication in config.inc.php by adding this code (below the DB settings): //AUTHCFG $AUTHCFG[‘authType’] =Continue reading “Configure vTigerCRM to authenticate users using OpenLDAP (running inside Zimbra server)”
Enable Instant Messaging feature on Zimbra
By default, IM feature is not enabled on Zimbra systems after upgrading. You can use these commands to enable it: su – zimbra zmprov -l -v mcf zimbraXMPPEnabled TRUE zmprov -v mc default zimbraFeatureIMEnabled TRUE zmprov -v mc default zimbraFeatureInstantNotify TRUE zmcontrol stop zmcontrol start Obviously set the COS to the one you use ifContinue reading “Enable Instant Messaging feature on Zimbra”
Zend Framework Reaches New Milestone: 5 Million Downloads
With now over 5 millions downloads under its belt (2.5 million of those in the past six months alone!) the Zend Framework open-source project has shown phenomenal growth. This means a much larger and more vibrant community of developers to hire from, to pore over and vet ZF code contributions, and, in general, to raiseContinue reading “Zend Framework Reaches New Milestone: 5 Million Downloads”
How to open all ports (DMZ) in Zoom X4 DSL modem
Before continuing, you will need to know the IP address of the computer or device you will be setting as the DMZ. Open your web browser and go to http://10.0.0.2/ . Log in using ‘admin’ as the username and ‘zoomadsl’ as the password. Click on Advanced Setup at the top of the page. Then locateContinue reading “How to open all ports (DMZ) in Zoom X4 DSL modem”
Linux ready for real-time computing in financial services
Is Linux capable of handling the mission-critical, high-volume demands of the world’s biggest financial institutions? Speakers at the recent sixth annual Linux on Wall Street conference offered solid evidence in the affirmative, despite unresolved issues concerning real-time Linux and hypervisor interoperability. Vinod Kutty, the distributed computing R&D head at the Chicago Mercantile Exchange (CME), nowContinue reading “Linux ready for real-time computing in financial services”