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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, 14 Postfix SMTP Server projects are completed every quarter on Upwork.


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 4.77.

Last updated: August 1, 2015

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  1. Panayotis Tsiamis

    Panayotis Tsiamis

    Senior Systems and Software Engineer

    Greece - 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
    426 hours
  2. Oleksii A.

    JavaSE/JavaEE Developer, PhD in Information Security

    Ukraine - 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
  3. Konstantin K.

    Konstantin K.

    IT Pro

    Russia - 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
  4. Apu Ghose

    Apu Ghose

    Expert PHP Developer

    Bangladesh - 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:,,,,,,,,,,,,,

    $8.89 /hr
    100 hours
  5. Roman Bovda

    Roman Bovda

    Linux Engineer


    I have experience with administration hosting provider’s Linux-based servers (more than 80), setup, implementation, life support VPN, Web, Mail, DNS, analyze and protect from network attacks (DDoS, intrusion); Administration service provider’s core network (Cisco 65XX, 76XX, ASR, ASA, FWSM), support network; Monitoring network and servers health (Zabbix, Nagios, Cacti); Virtualization (VMware, XEN); Modernization and implementation new technical solutions, security policy. Installation, configuration and troubleshooting: • VPN (PPTP, L2TP, IPSec, OpenVPN), Web (Nginx, Apache, PHP-fpm), Mail (Postfix, Sendmail, Dovecot), DNS, MySQL, MariaDB, NoSQL, SQUID, SAMS, HAProxy, Varnish Owncloud, CMS; • DDoS, Exploits, Virus Protection: Arbor Peakflow SP, TMS, Pravail, Cisco Guard, ADM, Fail2Ban, Iptables, Rkhunter, ClamAV, Juniper IDP/IDS/IPS; • Virtualization (VMware ESXI, Citrix Xen; • Protocol configuration BGP, OSPF, EIGRP, HSRP, VLAN (802.1q), QinQ, Port channel, LACP, VTP, QoS, ACL, time range ACL, Port security, DHCP, AAA, STP. • Configure servers: HP Blade C700, Dell, Cisco, Fujitsu; • FreeNAS, SAN.

    $15.00 /hr
    50 hours
  6. Gregory S.

    Gregory S.

    Linux System Engineer

    Belgium - Tests: 2

    I've been working in the hosting industry for 10 years now (7 years as system engineer). My daily job includes, but is not limited to, installing Linux servers (mainly Debian & CentOS), and configuring them as web/mail/database/caching/... servers. Some tagwords: debian, centos, apache2, nginx, keepalived, haproxy, postfix, iptables, php, mysql, memcached, redis, varnish, vmware esxi, openvpn, plesk, proftpd, percona, dns, bind, powerdns, clustering, firewalling, security, backups. I'm good at analyzing problems, I work quick but also efficiently, and pro-active is what I also like to be.

    $16.00 /hr
    1 hours
  7. Maxim Odinintsev

    Maxim Odinintsev

    Linux system administrator

    Ukraine - 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
  8. Alexander Abgaryan

    Alexander Abgaryan

    Linux administrator

    Ukraine - 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