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7.9
7.9
100%
Villa De Merlo, Argentina
$25 USD per hour
I started with BeOS in 2002, because of a friend, who showed me something other than Windows, Always I worked repair PC & Laptops. Now I have more 10 years of experience in Server Linux. I can manager servers dedicated, servesr VPS, servers shared, etc. Setup and management you server; Apache/Nginx/Tomcat. SMTP Postfix, POP/IMAP Dovecot. FTP Vsftpd, Proftpd, Pure-ftpd-mysql. Dns Bind9, dnsmasq. File Server & printer Samba (dc-ac). Network administrator: isc-server-dhcp, openvpn, etc. Install and renew SSL certicate. All services on cloud; AWS, Azure, etc. Also website and E-mail migrations. ALL panels and web managers. Management all Linux distributions. Setup, security and optimization your server. __________________________ VERY IMPORTANT!!! “Hi I'm Matias, someone is trying to impersonate me, this account is the only one active and verified by freelancer! I DON'T USE ANY OTHER MEANS OF CONTACT, ONLY FREELANCER CHAT!” -----------------------------------------
6.4
6.4
98%
Karachi, Pakistan
$20 USD per hour
An IT Geek with 5 years of experience in various fields and specialized in Linux/Windows Hosting Services and some backend development I don't recall everything I can do but here are some insights - cPanel/WHM Installing/Auditing/Optimization/Advisory - Directadmin Installing/Auditing/Optimization/Advisory - Plesk Installing/Auditing/Optimization/Advisory - Virtualmin Installing/Auditing/Optimization/Advisory - Zimbra Installing/Auditing/Optimization/Advisory - CentOS web panel Installing/Auditing/Optimization/Advisory I also have wide knowledge in Dedicated Servers including but not limited to : - Installing/Configuring/Optimizing /Auditing CentOS, Debian,Ubuntu, Windows - Monitoring/Analyzing - Fixing Day-to-Day Issues I can work with - Apache - Nginx - MySQL/MariaDB - PHP - Nagios/Zabbix - Libvirt/KVM - OpenVZ - NodeJS - MonogoDB - Wordpress/vBulletin/WHMCS/Drupal General Understanding of - Colocation - Dedicated Servers - DNS - Networking - Monitoring - Hardware - VPS
6.8
6.8
94%
Lahore, Pakistan
$50 USD per hour
I am Muhammad Abdullah with 8 years of experiences A highly skilled IT professional with broad expertise in Linux system administration, software engineering, web development, and mobile application development. Demonstrates a deep understanding of a variety of operating systems, including Linux, Windows, macOS, Unix, and mobile platforms like Android and iOS. Adept at working with numerous programming languages such as Python, JavaScript, Java, C++, and more. Excels in creating efficient software solutions, designing and maintaining dynamic websites, and developing cross-platform mobile applications. Possesses a strong ability to optimize performance, ensure security, and deliver exceptional user experiences across diverse technological environments. This comprehensive skill set makes them a valuable asset for addressing complex technical challenges and driving innovation across multiple platforms
5.5
5.5
98%
SAN JOSE DE BARLOVENTO, Venezuela
$30 USD per hour
Dear Customer, I am David from Venezuela. I have been working as Sysadmin for more than 30 years as of now in many different small and big companies and now I'm also here as a freelancer. My skillset is: * Linux - Ubuntu/Debian/CentOS/RHEL/Fedora/FreeBSD * Pfsense/OPNsense/Iptables * Active Directory Windows and Linux * Nginx/Apache/Lighttpd/LiteSpeed * Mail Servers : Postfix, dovecot, Zimbra, Carbonio * DNS Servers * VPS - OpenVZ/KVM/Xen/Hyper-V/Docker/Kubernetes * Proxmox * Linux/Cpanel/Plesk/Hestia/Webmin Server Setup * Linux server setup * Windows server setup
4.4
4.4
96%
Jhunjhunu, India
$15 USD per hour
A Server Management and deployment Engineer with the experience of 10+ years in the domain of windows, linux and unix servers Services I have for you :- 1. Increasing website/server speed. 2. Investigating for hacking/phishing/spamming/spoofing activities. 3. Optimize your web-server, PHP, MySQL for heavy-load projects. 4. Cloud Deployment - AWS (EC2,SES,S3,route53 all services). 5. Azure/Google Cloud Deployment. 6. Custom Application Installation ERP NEXT, Zimbra, CWP etc 7. Install and setting CMS like WORDPRESS, JOOMLA, MAGENTO,VBULLETIN and Software installations. Expertise I have:- AWS Certified Solution Architect 1. Linux administration (CentOS, Debian\Ubuntu). 2. Server Migration and cPanel/WHM/Webmin control Panels management. 3. Security (Vulnerabilities, Malware, Server hardening). 4. MySQL (Configuration, Optimization, InnoDB restoring). 5. Mail Server: Setup, configure and troubleshooting exim, postfix mail servers. 6. Managing services like DNS, APACHE, DATABASE, SMTP, POP3, IMAP, FTP.
4.1
4.1
97%
Sonargaon, Bangladesh
$75 USD per hour
Client Satisfaction and quick & efficient Solution Delivery are guaranteed. I am a Certified Linux expert & with more than ten years of professional in Linux Security, Cyber security, email servers, Mautic, PowerMTA, bulk email, SMTP servers, Mailwizz, AceMailer, Ubuntu, Debian, CentOs, Web Hosting, System Admin, Computer Security, Internet Security, Network Administration, Web Security, Cloud Computing, Amazon Web Services, PowerDNS, Microsoft Outlook Bulk Marketing, Email Handling, Internet Marketing, Internet Marketing, Interspire, Magento, WordPress, Nodejs, Django & script install, etc. I have experience fixing issues of SMTP server emails going to spam and improving email deliverability. I will fix any problems related to Linux, VoIP, cPanel, MySQL, postfix, Dovecot, Apache, DNS, Nginx, php-fpm, SSL, PHP upgrade, & VPS-related issues. Linux Certification : ✅ Red Hat Certified Specialist in Containers ✅ Red Hat Certified Specialist in High Availability Clustering ✅ Red Hat Certified Specialist in Virtualization ✅ Red Hat Certified Engineer ✅ Red Hat Certified System Administrator Certificate Veify https://goo.gl/cGJzkH PowerMTA 4.5r8 and PowerMTA 5.0b1 ,PowerMTA™ v5.0r3 available I also know the following systems. ✅ Email marketing (Email Campaign and Automation Setup). ✅ Email Server (Postfix, Dovecot, PowerMTA, exim, sentmail, zimbra, iredmail). ✅ Protocols: TCP/IP, FTP, DHCP, HTTP, SMTP, POP, IMAP ✅ Email migrations (IMAP to IMAP, Gsuite to Office365, etc.) ✅ Database Installation & migration: MySQL, MariaDB, MongoDB, PostgreSQL, Oracle etc. ✅ Hypervisors: VMware ESXi, vSphere, Xen, Proxmox, Virtualizor, KVM ✅ Web Hosting Control Panels Support (WHM, Cpanel, Plesk, CentOS Web Panel, VestaCP, Virtualmin/Webmin, ISPconfig, CyberPanel, Hestia, DirectAdmin etc) ✅ Server Security and Hardening: Fail2ban, FIREWALLD, UFW, IPTABLES, CSF, OpenVPN & Selinux. ✅ DNS Server Configuration( OpenDKIM, DKIM, SPF, MX, DMARC.). ✅ Setup WordPress and Malware remove ✅ Set up Laravel, WordPress, Prestashop, Joomla, Magento 2, phpMyAdmin, code canyon scripts, any CRM or any other web Application. ✅ Cyber Security VPS and dedicated server audit and security fixed. ✅ Migrating servers from One Server to a NEW Server with minimal Downtime. ✅ VPS Setup (Multi Domain setup Without Cpanel). ✅ Cloud & Hosting Providers Support: AWS, Digitalocean, OVH, Azure, Vultr, Linode, Hostscheap, Namecheap, GoDaddy, HostGator, etc. ✅ Web Servers: Apache, Nginx, PHP, PHP-fpm ✅ Server Monitoring & Fixing Security vulnerabilities ✅ Server Storage: SAN, NAS, FTP, TrueNAS, etc. ✅ VoIP Service: Asterisk PBX, VoIP, FreeSwitch & FusionPBX. ✅ Web Server Configuration and Troubleshooting ✔ Customer satisfaction is my top priority. Looking forward to showing my capabilities through my service. ✔ After completing The project, I will produce 1 week of free support regarding the project. So That is the Right Place for you!
5.6
5.6
100%
VILLANUEVA, Colombia
$30 USD per hour
I am a Full-Stack Developer with many years of experience building scalable web and mobile applications for startups, businesses. I specialize in designing and developing end-to-end solutions, from frontend user interfaces to backend APIs, databases, and cloud deployment. My goal is simple: deliver reliable, scalable, and high-performance software that helps businesses grow.
4.3
4.3
100%
Jaipur, India
$20 USD per hour
About Me ( Cloud Expert ) I am an experienced professional with over 4 years of expertise in web hosting, email marketing, cloud computing, and DevOps. I am proficient in managing diverse cloud platforms like AWS, Azure, and GCP. Additionally, I have in-depth knowledge of containerization and automation tools, including Docker, Ansible, Terraform, and Jenkins. I specialize in web hosting for platforms like WordPress, Core PHP, Laravel, Magento, Node.js, and React.js, along with comprehensive expertise in server management and email marketing solutions. I have a proven track record in managing diverse hosting environments, configuring email marketing tools, and optimizing cloud infrastructure. Additionally, I lead a dedicated team that excels in delivering web development and SEO/digital marketing solutions tailored to client needs. Core Expertise Web Hosting and Server Management: Proficient in managing all server types: Dedicated, VPS, Shared, Cloud Servers. Skilled in control panel management: WHM/cPanel, Plesk, CWP, Virtualmin, Hestia, etc. Server Setup, Monitoring, and Backup Management. Website Migration and SSL Installation. Email Marketing: Extensive experience with SMTP servers: Postfix, PowerMTA, Exim, G Suite, Office 365, and third-party providers like SendGrid, SendinBlue, Elastic Email, AWS SES, Zimbra, etc. Expertise in email campaign management tools: Mailwizz, Interspire, Mautic, Acelle, Mumara, etc. Cloud and DevOps: Skilled in deploying and managing cloud solutions on AWS, Azure, and GCP. Proficiency in Docker, Ansible, Terraform, and Jenkins for automation and orchestration. Services Offered: Server-Related Tasks: Web Hosting Email Marketing Cloud Services DevOps Linux/Windows Server Management Web Development Services: WordPress Laravel PHP Node.js Magento SEO and Digital Marketing Services: Search Engine Optimization (SEO) Social Media Optimization (SMO) Content Creation and Marketing Blogging and Revenue Optimization Private Blog Network (PBN) Building and Link Networks Search Engine Algorithm Analysis Lead Generation and Sales Funnels Email Marketing, Outreach, and Networking CMS-Based Web Design PPC, CPM, CPL, CPI, CPA Advertising Tools Online Display Advertising Online Reputation Management (ORM) Affiliate Marketing Web Data Analytics Video and YouTube Marketing Why Choose Us? I lead a team of skilled professionals capable of delivering end-to-end solutions for web development, server management, email marketing, and digital marketing. Together, we ensure high-quality services that cater to your business needs and drive growth.
3.1
3.1
100%
Guangzhou, China
$29 USD per hour
PROFESSIONAL SUMMARY: --- - Familiar with network TCP/IP principles, design, planning, construction delivery, and continuous optimization of IDC data center, campus network, and office network architecture, more than ten years of domestic and overseas project experience - Familiar with all kinds of mainstream switches, routers, firewalls, and Internet behavior management, such as Huawei, Cisco, Juniper, H3C, Palo Alto, Sangfor, etc. Can configure and tune such as MPLS VPN, SDWAN, VXLAN, SPINE-LEAF, VXLAN, EVPN, NAT, STP, etc., know how to use Wireshark, Zabbix, mtr, network fault analysis, etc. - Familiar with some non-mainstream and open source network operating systems, such as Vyos, RouterOS, Mikrotik soft router configuration and tuning - Familiar with various network protocols, such as TCP/IP, familiar with the ISO 7-layer network protocol, various routing protocols, such as BGP, OSPF, RIP - Familiar with Linux operating system, can configure and tune Centos, Ubuntu, Red Hat and other Linux operating systems - Familiar with container orchestration such as Docker/k8s, container network flannel, Calico BGP, cloud computing VPC planning, virtualization KVM, Vmware, Nginx, Python, Shell, Linux system operation and maintenance technology, Windows Server - Familiar with Python/Shell, can independently develop operation and maintenance tools, connect to API, and submit operation and maintenance efficiency - Have rich experience in network application and system integration project implementation, can provide one-stop network architecture, network application, network information security solutions - Hold Cisco CCNP, intermediate supervision certificate (equivalent to PMP) - Fluent in Mandarin, Cantonese, and English, good English reading and writing skills SKILLS: --- Switch, Router, firewall, IPSecVPN, BGP, OSPF routing protocol, Vxlan, Cisco, Huawei, Juniper, Linux/Shell programming, Centos, Ubuntu, Python programming, KVM/VMware virtualization, Windows Server, container Docker, K8s, cloud computing, load balancing, LVS load balancing, EDR, security scanning, network troubleshooting, and troubleshooting, iperf3, hping3, telnet, mtr, traceroute
A Dovecot expert is a mail server specialist who installs, configures, secures, and maintains Dovecot, the open-source IMAP and POP3 server that powers email retrieval for Linux and Unix systems. Hiring a freelance Dovecot expert gives your business deep technical command over mailbox storage, authentication, replication, and integration with mail transfer agents like Postfix or Exim.
Dovecot freelancers handle the full lifecycle of an IMAP and POP3 deployment, from initial server provisioning to ongoing maintenance and troubleshooting. They translate business requirements — mailbox capacity, user count, redundancy, compliance — into a stable mail backend that scales without data loss or downtime.
Most engagements focus on building or repairing the receive-and-store half of an email stack. That includes mailbox format selection (Maildir or mdbox), virtual user management, SSL/TLS hardening, quota enforcement, and integration with spam and antivirus layers. A skilled Dovecot consultant can also migrate legacy Courier or Cyrus deployments into Dovecot with no message loss and no broken folder hierarchies.
A competent Dovecot consultant operates across the wider mail server ecosystem. Expect fluency with Postfix as the MTA companion, Rspamd or SpamAssassin for filtering, ClamAV for antivirus scanning, and Fail2ban for brute-force protection. On the client side, they configure Roundcube and SOGo webmail, and validate against Thunderbird, Outlook, and Apple Mail.
Infrastructure-side, strong candidates work confidently with systemd, nginx or Apache reverse proxies, MariaDB and PostgreSQL backends, OpenLDAP, Docker containers, Ansible playbooks, and monitoring tools like Prometheus, Grafana, and Zabbix. Familiarity with DNS records — MX, SPF, DKIM, DMARC, PTR — is non-negotiable for any production mail deployment.
Dovecot powers email infrastructure for hosting providers, ISPs, universities, government departments, law firms, and any organization running self-hosted mail for privacy or compliance reasons. Common project types include building a private mail server for a small business, scaling a hosting platform to thousands of mailboxes, hardening an existing server after a security audit, and migrating away from a managed email service to a sovereign Linux-based stack.
Dovecot experts are also frequently engaged for GDPR, HIPAA, and ISO 27001-aligned deployments where mailbox data must remain on controlled infrastructure with auditable access logs.
Look for hands-on Linux system administration experience, clear knowledge of the SMTP and IMAP protocols, and a portfolio that includes production mail server deployments rather than only test labs. Strong candidates document their work, version-control their configuration, and can describe a previous incident they resolved end to end.
Sample interview questions you can use directly:
Freelancer.com gives you access to a global pool of Linux system administrators and mail server specialists with verified profiles, client reviews, and demonstrable Dovecot project history. You can compare proposals from independent consultants across multiple time zones, which matters when your mail server needs around-the-clock coverage during a migration or incident.
Clients on Freelancer.com set their own budgets and receive competitive bids, so you control scope and pricing. Milestone Payments protect both sides during longer engagements, and the platform's chat and file-sharing tools make it straightforward to share configuration files, log excerpts, and access credentials securely with the freelancers on Freelancer.com you choose to work with.
Ready to get your IMAP and POP3 stack running cleanly?
Hiring a Dovecot consultant on Freelancer.com is a structured process designed to match you with a specialist whose skills genuinely fit your mail server requirements. The clearer your brief, the stronger the bids you receive — and the faster you move from posting to a working IMAP and POP3 deployment.
Your project post is the single biggest factor in the quality of bids you receive. A specific, technical brief filters out generalists and attracts Dovecot freelancers who recognize the work and can quote it accurately. Head to the
Bids are short proposals, not just price quotes. They reveal how each Dovecot expert interprets the brief, what approach they propose, and what timeline they consider realistic. Read each one carefully and shortlist candidates whose understanding of mail server architecture matches the work you need done.
The final decision combines proposal quality with profile evidence. For a Dovecot deployment, weigh consistency across multiple completed mail server projects rather than one impressive example, since email infrastructure rewards repeatable, documented work over one-off heroics.
Postfix is a mail transfer agent that handles sending and receiving email between servers using SMTP. Dovecot is a mail delivery agent and IMAP/POP3 server that stores messages and serves them to email clients. A complete self-hosted mail server typically runs both, with Postfix handing messages to Dovecot through LMTP.
Yes. Many Dovecot projects are scoped as fixed deliverables — a fresh install, a migration, an SSL hardening pass, or a specific bug fix. You can post a defined brief on Freelancer.com and award the project to a freelancer who completes the work and hands over documentation.
If your project centers on mail server architecture, mailbox migration, replication, or recovery from corruption, hire a specialist. A generalist sysadmin can keep an existing Dovecot server patched, but mail-specific issues — Sieve scripts, dsync conflicts, authentication backends, deliverability — reward focused experience.
A clean single-server install with Postfix, Dovecot, Rspamd, and Roundcube can be completed within a few days. Migrations from existing platforms or multi-node high-availability clusters typically run longer because of mailbox transfer time, DNS propagation, and user testing windows.
Most will. While deliverability primarily depends on Postfix, DNS records, and sender reputation, a Dovecot specialist working on a full mail stack will configure SPF, DKIM signing through OpenDKIM, DMARC policy, and reverse DNS so your outbound mail reaches inboxes rather than spam folders.
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