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On average, 2 SpamAssassin projects are completed every quarter on Upwork.

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SpamAssassin Upwork freelancers typically receive a client rating of 4.58.

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Last updated: August 1, 2015

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  1. Jayson Cena

    Jayson Cena Agency Contractor

    Linux(Debian/Red Hat),Oracle DBA, Linux Cluster Admin,Virtualization-H

    Philippines - Tests: 4

    To obtain a position that will enable me to experience and learn new ideas on system administration like complicated enterprise infrastructure design specially high-availability and fault-tolerant infrastructres. My core competency lies in designing new system infrastructure using open-source software. I also have some experience in VB6, ASP, PHP. http://clusterfoundry.com

    Associated with: ClusterFoundry Agency

    $26.67 /hr
    1,137 hours
    5.00
  2. Rahul M.

    Consultant

    India - Tests: 5 - Portfolio: 3

    Over the last 12+ years experience in the Linux and Messaging field: - Puppet Automation - Writing modules and custom providers -Email Platforms (Qmail, Postfix, Zimbra, Sendmail ) which includes deployment, Tuning and Migration. - Zimbra OSE/NE Specialist - Redhat clustering - load balancing and high availability - Monitoring (cacti, nagios, snmp,etc.) - DNS ( Bind , TinyDNS ) - nginx reverse Proxy - Regular Expressions - Perl/Bash/Python Scripting - Splunk Data Analytics

    $14.44 /hr
    426 hours
    4.32
  3. Kristijan Spionjak

    Kristijan Spionjak

    Linux, Unix, VMware, Nagios, Apache, Postfix, MySQL, WHM/cPanel

    Croatia - Tests: 4

    Hello, Over the last 12 years, I have worked in the Internet service provider company, software development company and IT Training School. My major expertise is in general Linux/Unix, VMware vShere Hypervisor and vCloud Infrastructure and networking and systems administration and environment architecture. My Core Competencies are: Networking: dhcp, dns: bind/named, vpn: pptpd, openswan, firewalls: iptables, csf, apf, pf Web server: apache, nginx Mail server: Postfix, antispam/antivirus: ClamAV, SpamAssassin, Amavis, Dovecot Database: MySQL, PostgreSQL Monitoring: Nagios, Munin Hosting panel: WHM/cPanel, ISPConfig Windows 2003/2008 Server Windows 2003/2008 Active Directory Windows 2010 SP1 Exchange VMware vShere and vCloud: ESXi, vCenter, vCloud Director, vShield Vendor Certifications: CNI (Certified Novell Instructor - March 2005) LPIC-1 (Junior Level Linux Professional - October 2003) MCT (Microsoft Certified Trainer - October 2003) MCSE (Microsoft Certified Systems Engineer - October 2001) If you take me into considiration, I'm available on Skype, G.talk and E-mail for any informal interview or skill test. Looking forward to hearing from you. Regards, Kristijan Spionjak

    $22.22 /hr
    2,221 hours
    5.00
  4. Paulo Arruda

    Paulo Arruda

    Linux System Administrator and Network Specialist

    Canada - Tests: 4 - Portfolio: 1

    My 9 years of experience in Linux Server Administration and Deployment, and 15 years of experience as Linux User, should be of interest to a rapidly growing company like yours. I've been working for the past 9 years building all kind of servers: from SOHO file servers to large mail deployments in HA/Virtualized/Cloud environments.

    Groups: LPIC-2

    $80.00 /hr
    486 hours
    5.00
  5. Dallas Engelken

    Dallas Engelken

    Web Architect

    United States - Tests: 3 - Portfolio: 1

    I build dynamic, scalable, database driven web projects in Mysql and Perl. I operate a service which handles nearly 1 billion queries per day through Amazon EC2. I am an expert in Mysql development and administration, as well as Perl, HTML, and CSS. I have experience with google-maps-api building dynamic database driven maps, as well integrating paypal-api for Paypal Payments Pro credit card processing.

    $25.00 /hr
    23 hours
    5.00
  6. Ahmed N.

    Ahmed N.

    Senior Linux Admin, Cpanel, RedHat, Ubuntu, Perl, BASH, Virtuozzo

    United Arab Emirates - Tests: 10 - Portfolio: 2

    Over the last 12 years I have developed a wide range of skills and my objective is to leverage my significant technical skills in a position as Unix/Linux Administrator I have extensive experience in installing/configuring different software including but not limited to Apache, PHP, MySQL, PostgreSQL, exim, postfix, dovecot, BIND, POP/IMAP, SMTP, SSL, SSH, proFTPd, pureFTPd, iptables (APF/CSF), Kayako, WHMCS, ClientEXEC,OpenVZ,Virtuzzo,Nagios.

    $18.89 /hr
    338 hours
    5.00
  7. Imran A.

    $18.00 /hr
    104 hours
    5.00
  8. Chris Rivas

    Chris Rivas

    Hosting Industry Sr Linux Admin w/ RHCE, RHCVA, MySQL DBA, developer

    United States - Tests: 7 - Portfolio: 1

    For more than ten years I have worked extensively in the software development and hosting industries. I am an expert Linux and Unix system engineer, and can deploy and configure any software stack that is based on Linux for optimal content delivery. I excel at MySQL database design, optimization, and administration. I am a seasoned software developer and have extensive experience with many languages including Java, Python, PHP and Ruby. I also have significant experience with customizing, deploying, and adminstering open source web applications, application frameworks, and application servers. I have worked locally, overseas, and with colleagues and clients overseas via the internet. If you look at my work history here, you will note that i 'disappeared' in February 2011. Indeed I did disappear, I was in a very bad car accident in Bangkok, Thailand, where I was living at the time, and was nto able to get out of bed or use a phone or computer for roughly a month. I now reside in Austin, TX again full-time I do not disappear typically, my present and previous employers can confirm that if you are hesitant based on feedback from 2011.

    $36.67 /hr
    22 hours
    4.54
  9. Cedomir Nikolic

    Cedomir Nikolic

    Mr.

    Macedonia - Tests: 7

    Hello, I'm Chedomir Nikolikj and I'm an experienced Senior Systems Administrator for 9+ years. Have worked in a lot of projects that involved the following technologies, their integration, administration, maintenance and troubleshooting : Linux Administration - OS (Debian, RedHat, Solaris, FreeBSD) & related distributions (Ubuntu, Centos, SLES) - LDAP (OpenLDAP, 389DS) - Web Server (Apache, Tomcat, Nginx) - Web Frontend (cPanel, Wordpress, Joomla) - Web Proxy (Squid) - File Server (Samba) - DB Server (MySQL, Oracle, PostgreSQL) - Mail Server (Postfix, Dovecot, Exim, Courier, Dbmail) - Monitoring (Nagios, Cacti, Zabbix, Zenoss, The Dude) - BASH & PHP scripting - Open source applications (vTigerCRM, SugarCRM, Moodle, Magento, Egroupware, OwnCloud, BigBlueButton, Processmaker, OTRS, OpenXchange) Windows Administration - OS Desktop (98se, Millennium, XP,Vista,7,8) - OS Server( NT4.0, 2003, 2008) - DB Server (MSSQL 2000, 2005, 2008) - Mail Server (Exchange 2003, 2007, 2010) - Microsoft Active Directory - Microsoft Sharepoint - Office + Tools ( 97, 2000, 2003, 2007, 2010) - Antivirus&AntiSpyware (Kaspersky, AVG, Avira, NOD32, ClamAv, Amavis, Spamassasin) - Backup (Acronis, Bacula) Data Networks Administration - Cisco Switching (3500xl, 2950, 3400me) - Cisco Routing (2600, 2800, 7600) - SOHO (D-Link, Linksys, Airlive, Planet, Thompson and others) - Alcatel Switching (OmniSwitch 6200, 6400, 6800) - Alcatel Routing (OmniAccess 700) - Mikrotik & Router OS Telco Networks Administration - Alcatel (OXO, OXE) - Cisco (AS5400XM) - VoIP (Asterisk, Openser, Elastix, FreePBX) Virtualization - VMware 4,5,6 - Hyper-V - OpenVZ - KVM - ProxMox

    $22.22 /hr
    442 hours
    5.00
  10. Kristian B.

    Kristian B.

    Linux administrator/support technician | cPanel certified

    Croatia - Tests: 6

    My main field of work is linux administration and user support in the webhosting environment. There's a lot of control panels I work with in this field but most common are whm/cPanel, whmcs, Plesk, virtualmin. If needed, I can learn to use any other control panel quite fast. From the operating systems, I have worked with a lot of gnu/linux flavors. e.g. centos, debian, ubuntu, cloudlinux ... My work can be divided to: 1. Setup of various services ( like above control panels, custom setups with nginx, varnish etc) 2. Troubleshooting various user problems ( e-mail problems, hacked web servers and web pages) 3. Migration of web sites from one host to another, using same or different control panels. 4. Optimization and security hardening of already setup servers. If you think that I can help you, feel free to contact me and I will be happy to have a look through your problem/proposal and let you know if I can help you out.

    $25.56 /hr
    94 hours
    5.00