Postfix SMTP Server Professionals & Consultants

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Postfix SMTP Server Job Cost Overview

Typical total cost of Upwork Postfix SMTP Server projects based on completed and fixed-price jobs.

Upwork Postfix SMTP Server Jobs Completed Quarterly

On average, 17 Postfix SMTP Server projects are completed every quarter on Upwork.

17

Time to Complete Upwork Postfix SMTP Server Jobs

Time needed to complete a Postfix SMTP Server project on Upwork.

Average Postfix SMTP Server Freelancer Feedback Score

Postfix SMTP Server Upwork freelancers typically receive a client rating of 4.75.

4.75
Last updated: July 1, 2015

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  1. Alexander Abgaryan

    Alexander Abgaryan

    Linux administrator

    Ukraine - Last active: 12/09/2014 - Tests: 4

    Configuring Linux systems of any complexity. Failover Clusters (web, db, file). Enhancing security. Monitoring servers and network. Backup and restore. Support and modernization of existing configurations. A short list of preferred software: Nginx / Apache / Tomcat PHP Mysql / PostgreSQL Sharedance Memcached / Repcached Postfix / Dovecot Openvpn Squid Subversion Vsftpd / Pure-FTPd Python / Bash / Awk / Sed Nagios / OSSEC / Rkhunter Puppet GlusterFS Keepalived Bacula Xen

    $33.33 /hr
    2 hours
    0.00
  2. Panayotis Tsiamis

    Panayotis Tsiamis

    Senior Systems and Software Engineer

    Greece - Last active: 1 day ago - Tests: 7 - Portfolio: 14

    Systems and Services Engineer, with 12+ years of working experience. Interested in researching, administrating, debugging, tuning and developing platforms running on UNIX like Operating Systems. Able to troubleshoot, identify and solve problems in software, network or kernel layer. Always willing to learn and experiment new technologies for creating high availliability platforms, that could described as "state of the art" or "cutting edge" technology. Specialties: • Unix Like Operating Systems Specialist (Solaris / Linux ). • TCP/IP Network technology • Very deep level of knowledge on Machines hardware and OS Kernels internals. • Troubleshoot/Tune/Debug; System Services, Operating Systems • Mail Services Expert, Qmail-Ldap Specialist. • Network: Cacti/MRTG, Nagios, Cisco Netflow • Databases: PostgreSQL / MySQL / Oracle / LDAP. • Programming: Perl, Ansi C, bash, awk, sed, php etc • Internet Services: mail, http, radius, ftp, ssh, irc etc.

    $30.00 /hr
    343 hours
    0.00
  3. Roman Bovda

    Roman Bovda

    Linux System Administrator

    Ukraine - Last active: 10 days ago

    I have more than 4 years working experience in the field of Information Technology. - Administration ISP server’s (CentOS, Debian, FreeBSD) life support servers and network; - Analyze and protect from network attacks (DDoS, intrusion); Life monitoring (Zabbix, Nagios); Virtualization (VMware, Citrix Xen); - Installation and support Web Servers (LAMP Virtual hosts, VPN server’s, CMS, Owncloud); - Virtualization (VMware, Citrix Xen) - DDoS Protection - Penetration tests

    $15.00 /hr
    9 hours
    0.00
  4. Ludwin M.

    Ludwin M. Agency Contractor

    Senior Linux Sysadmin

    Guatemala - Last active: 21 days ago - Tests: 2

    I have worked with World Class IT Infrastructure configuring, deploying and maintaining routers/firewalls/servers all over the world using the most recent technologies. In the following list you will find my knowledge in the computer and network technologies: Linux servers and desktop administration Apache web servers running in Linux, Windows and Unix (FreeBSD/OpenBSD) Mail servers configuration/administration using qmail, Postfix and Exim DNS servers administration using BIND Plesk, Cpanel, Virtualmin, H-Sphere OpenVPN client/servers configuration Untangle configuration/setup Asterisk setup/configuration using Asterisk source or using fully customized installations like Elastix Services and server monitoring using Zabbix, Nagios, BigBrother and Cacti Database servers using MySQL/MS SQL/PostgreSQL Windows 2000/2003 configuration/administration for AD purposes, Exchange Mail Servers, WWW/DB servers Samba deployments using LDAP backend to store user information Experience with Linux Clusters using Heartbeat and Linux Virtual Server

    Associated with: Zeruen

    $15.00 /hr
    6 hours
    0.00
  5. Oleksii A.

    JavaSE/JavaEE Developer, PhD in Information Security

    Ukraine - Last active: 09/19/2011 - Tests: 5

    Enterprise and Web Application Developer. PhD in Information Security. Especially interested in building complex (transactional, concurrent, secured, scalable etc) Java/J2EE based systems. Strive for creating systems based on sound technical designs by applying OO design concepts and software patterns.

    $38.89 /hr
    1,277 hours
    0.00
  6. Maxim Odinintsev

    Maxim Odinintsev

    Linux system administrator

    Ukraine - Last active: 08/24/2013 - Tests: 5

    Linux System or Network administrator. I'm looking for interesting projects with an opportunity to learn something new. Experience in system administration over 7 years. Last five years, I'm admin of remote Linux servers, which is located around the world. I have extensive knowledge of Linux and Linux services, such as: - Network services (apache, nginx, postfix, DNS, DHCP, php-fpm) - DB services (MySQL) - Monitoring: nagios, cacti, snmp - Strong knowledge of linux network subsystems - Strong knowledge of linux troubleshooting - Programming languages: Perl, BASH

    $22.22 /hr
    1 hours
    0.00
  7. Apu Ghose

    Apu Ghose

    Expert PHP Developer

    Bangladesh - Last active: 4 days ago - Tests: 3

    Hi, I have about 9 years of experience in the field of IT, especially in SEO, developing web based software, website, e-commerce site, auction site, Android and iPhone Apps. I have extensive knowledge in OOP and MVC framework such as codeigniter, Yii, etc. In addition, I am very good in wordpress, joomla, prestashop. I strongly feel that my 9 years of experience in PHP, AJAX, JavaScript, Jquery, CSS, HTML, DHTML, XHTML, MySql, Oracle, Objective-C, C, C++, C#, Java, VB, ASP, LISP, prolog, Assembly Language (MASM), WML, WMLScript, MATLAB would satisfy all the necessary qualities required by the clients. As I have handled many critical issues as a team leader, I think I am the best to lead in the critical areas of coding and help the software engineers in software development. Furthermore, my experience in dealing with local and foreign clients would help in maintaining liaison and performing coordination role with the vendors or other stakeholders closely. Some of my developed sites are: www.adforadollar.com, www.diversesystem.com, www.skinmedix.com, www.scorpionsport.com, www.greatleathers.com, www.noveltyline.com, www.officechairsplace.com, www.absolutefencinggear.com, www.eduardo-xavier.com, www.noblewarprize.com, www.cedgeonline.com.au, www.icsinesstimes.net, www.knucklesdojo.com, www.icebusinesstimes.net

    $8.89 /hr
    100 hours
    0.00
  8. ArunKumar S

    ArunKumar S

    Linux System Administrator

    India - Last active: 1 day ago - Tests: 2 - Portfolio: 1

    Over the last 4 years, I've worked with two different Web Hosting support companies, where I had to handle cPanel/WHM, Virtualmin/Webmin, Direct admin, Zpanel, Plesk (basic windows hosting), Apache/Litespeed, MySQL, basic PHP, Exim, DNS(bind9) and many other applications and cloud servers. Has experience in setting up and managing cPanel based CloudLinux servers with all the server hardening and also know the basics of bash scripting. Have experience in both voice and ticket support system (WHMCS, Kayako, OsTicket etc). Can handle tickets with least response time and with good technical resolution and customer satisfaction since I'm having another 8 months of experience in BPO voice support for a Multi National Company. I've experience and have configured R1 soft backup for cPanel accounts, duplicity backups etc. I also have experience in setting up Linux servers, installing custom scripts, hardening the server etc. I also have knowledge in OpenVZ, Xen and VMware virtualization. Has experience in configuring the said virtualizations. I'm an expert in Nagios monitoring and with various other monitoring tools like Zabbix. TECHNICAL DATA SUMMARY: -COMPLETE LINUX SERVER MAINTENANCE/TROUBLESHOOTING (RHEL, CentOS, Debian, Ubuntu) -VIRTUALIZATION: (Vmware, Openvz, Virtuozzo, Xen, KVM, vserver) -CLOUD HOSTING (Amazon EC2, AWS, S3) -NETWORKING (DHCP,DNS:powerdns/bind/named)VPN: openvpn/pptp FIREWALL: iptables/ipfw, qos, proxies -WEB SERVERS (Apache, Nginx, Lighttpd, Tomcat) -MAIL SERVERS (Exim, Postfix, Qmail, antispam/ antivirus:clamav/spamassassin/amavis, courier, dovecot), -BULK MARKETING (Dkim, spf, high speed/inboxing) -MONITORING (zabbix, Nagios ) -HOSTING CONTROL PANELS (Cpanel/WHM, Plesk, DirectAdmin, Zpanel, Virtualmin) -MIGRATIONS/TRANSFERS (Websites, Emails and Application migrations with zero or no downtime guaranteed) CUSTOMER/CLIENT GENERAL WORK NATURE SUMMARY: -Always available in case of emergency just a ring away(Has both Mobile and land line number). -Has setup multiple monitors in twinview mode which helps to multitask easily and helps in reducing the ticket response times. -Experience in BPO Customer Support/service has improved my customer satisfaction skills. I always believe in the fact that a Customer is always the king. -Fast and reliable internet connection with a standby emergency WiFi network. -Two laptops(Ubuntu and Windows) and a desktop in case of emergency. -Flexible work hours and is ready to work on weekends too. -Trustworthy and transparent work. -Will provide daily shift reports in a well formatted way. You just leave the SERVERS to me to handle/manage and go and grab a drink!!!!!

    $4.44 /hr
    1 hours
    0.00
  9. Offshoreit Support

    Offshoreit Support Agency Contractor

    CEO and Founder

    India - Last active: 5 days ago - Tests: 3 - Portfolio: 1

    Offshore IT Support is a leading Technical Support Company that provides Outsourced 24/7 Technical Support, Remote Server Administration, Server Security, Linux/Windows Server Management, Server Audit and Helpdesk Management to Datacenters, Hosting companies and ISPs around the globe. With over 5 years experience in working with major hosting providers and data centers, Offshore IT Support is the first company of its kind who provides “Expert Call Back” feature to the customers. I have well rounded knowledge and hands-on experience in the following areas: Windows Servers Win 2003, Win 2008, MSSQL Server, IIS , Azure, Apache, IIS, Amazon Web Services, Dedicated Server, VPS. WHMCS. Linux configuration, maintenance & troubleshooting for RHEL, Centos, Debian, Ubuntu Virtualization: Vmware, Openvz, Virtuozzo, Xen, KVM, vserver, Cloud hosting: Amazon EC2, AWS, S3, Cloud Computing, Digital Ocean, VPS, Networking (dhcp, DNS:powerdns/bind/named, vpn: openvpn/pptp, firewalls: iptables, proxies), Web servers (apache, nginx, lighttpd, tomcat), Mail servers (exim, postfix, qmail, antispam/ antivirus: clamav/spamassassin, courier, dovecot), Hosting panels as Cpanel/WHM, Plesk, Directadmin, WebsitePanel.Webmin, DirectAdmin, Virtualmin & Vestacp SSL Certificates : Symantec, Digital certs, Go daddy. Verisign Thwart etc... Networking: Active Directory,Group Policy, DNS, DHCP, FTP, VPN, NFS, RAID, DHCP, DNS, DFS, VPN, WDS, RRAS, TS server, NAP, Proxy server, Windows Failover clustering,Network Load Balancing (NLB), Remote Desktop Services. Storage: Configure NAS and SAN, Openfiler NAS/SAN, Starwind SAN. Backup: R1 Soft, Windows NT Backup, Shadow Protect, Configure and troubleshoot the backup issues. CCNA: IP addressing sub-netting, IP Routing Routing Protocol, EIGRP, OSPF, ACL, Frame Relay connection, NAT/PAT, Virtual LAN, WirelessLAN.

    Associated with: Offshore IT Support

    $11.00 /hr
    11 hours
    0.00
  10. Konstantin K.

    Konstantin K.

    IT Pro

    Russia - Last active: 12/03/2014 - Tests: 3 - Portfolio: 12

    Programming languages: - Perl (Linux/Windows) - PHP - JavaScript (NodeJS, jQuery, AngularJS, Qooxdoo, MooTools etc.) - SQL (PostgreSQL,MySQL, DB2, etc...) - ASP (VBS) - Delphi (Lazarus, Kylix) - Visual Basic - Python - HTML5/CSS3 - C/C++/C# (Linux/Windows) Os's (Administration): FreeBSD, Linux (Debian, Suse, CentOS etc.). - 8 years: Mail: postfix, cyrus, spam-assassin, amavisd-new, squirrel-mail, round-cube ... Web: Apache, Nginx, Perl, Php, HTML5, Javascript ... Other: Squid,VPN(mpd,openvpn, ipsec), bind,DHCP, NAT, CARP, Zabbix, nagios, monitis, clusters, ftp ... Firewalls/Filters/Monitors: ipfw, pf, Snort DBMS/DB: MySQL, Postgres, FireBird, DB2, SQLite ...

    $22.22 /hr
    10 hours
    0.00