Postfix Experts in Germany
for reliable mail delivery, matched in minutes with vetted and available freelancersHire experts who configure Postfix mail transfer agents, secure SMTP flows, and connect email systems with LDAP, SQL, and monitoring tools. Get precise matching with vetted, available freelancers who can support remote or on-site projects.
Meet FRATCH Experts in Germany, who have recently used Postfix
Mohammed N.
Last position:
IT System Manager at Corporate Network Solution Provider
- Architected, Deployed and Supported hosted email solutions in Linux and Windows environments with enterprise-grade anti-spam and security architecture for service-provider environments.
- Managed Microsoft Azure environments including Virtual Machines, VNets, Storage, VPN, and Firewall configuration.
- Administered Microsoft Exchange Server (2010-2019), Microsoft Exchange Server SE, Active Directory, PKI, Hyper-V and Zimbra environments with disaster recovery planning and operational support.
- Led Microsoft 365 onboarding and migration projects from Exchange, IMAP, and Zimbra platforms to Microsoft 365.
- Prepare security and compliance to support Microsoft 365 Copilot.
- Implement information protection and data loss prevention by using Microsoft Purview.
- Implement retention, eDiscovery, and communication compliance in Microsoft Purview.
- Integrated Active Directory Domain Services (AD DS), Active Directory Certificate Services (AD CS), and Active Directory Federation Services (AD FS).
- Delivered secure hybrid infrastructure solutions integrating Microsoft Windows Server and Linux-based enterprise environments.
- Supported enterprise integration projects involving Debian, Ubuntu, CentOS, Red Hat, Barracuda ESG, Qmail and Zimbra Platforms.
Abdellatif L.
Last position:
Senior Software Engineer & Team Lead at Euvia Travel GmbH (sonnenklar.TV)
- Technical lead of a four-person development team during the two-year redevelopment of the sonnenklar.TV travel portal with over 10,000 daily visitors
- Replaced an established legacy architecture based on Laminas (Zend Framework) and Elasticsearch with a headless platform based on TYPO3 LTS and MariaDB — consolidated two systems into one and significantly reduced operational and maintenance effort
- Built the frontend independently with Vue.js, Nuxt, TypeScript and TailwindCSS; developed most of the component library independently
- Migrated the editorial workflow for over 30 editors from a custom-built backend to the TYPO3 backend
- Significantly reduced loading times for core pages; continuous delivery via Jenkins and GitLab CI
Position ended due to operational reasons as part of staff reductions following the decline in demand in the travel industry.
Thomas P.
Last position:
Unix/Linux Administrator at BDAV Verwaltungs GmbH
- Consulting and project management to build an AI-based automation platform for market data analysis
- Automated testing of financial data
- Market data automation with Python and N8N
- AI data integration and AI learning
- Use of Ollama and Qwen
- Data organization and database management
Martin W.
Last position:
Security Auditor at MissionMe
- Environment: AWS, Ruby on Rails, GraphQL, React Native
- Penetration test for Backend, Android-App and iOS-App
Thorsten M.
Last position:
Odoo Implementer at N.N.
As project manager for the Odoo implementation at a small company, I was responsible for designing, implementing, and training a fully integrated CRM and accounting system. Through structured requirements analysis, precise data migration, and targeted change management, I was able to complete the rollout in just eight weeks. The project led to a significant reduction in manual tasks, faster business processes, and increased real-time transparency.
Main Responsibilities
Requirements analysis and process mapping Configuration of Odoo modules: CRM, Sales, and Accounting Data migration (Excel/CSV → Odoo) and quality control Creation of workflows, automated email rules, and dashboards Conducting training sessions and providing support after go-live Project coordination (budget, schedule, stakeholder communication)
Key Achievements
Full implementation of the Odoo suite within the set timeframe (8 weeks) 30% reduction in accounting time and 25% acceleration of the lead-to-sale flow 100% customer satisfaction after go-live, based on survey results Successful migration of 100% of existing master data without data loss Establishment of a sustainable support infrastructure (3-month post go-live support)
Impact
Improved decision-making through real-time dashboards and automated reports Increased efficiency and cost savings (≈ €8,000/month) Scalability for future growth (additional modules can be integrated seamlessly) Strengthened sales and finance departments through seamless process integration
This summary highlights how I created concrete and measurable value for the company through structured project work, technical expertise, and targeted training.
Michael K.
Last position:
DevOps, Linux Administrator, Infrastructure, Security at ERGO / ITErgo
- Installation, planning, maintenance and further development of the server farm in the area of hardware and software
- Migration of live systems with minimized downtime
- Processing tickets and changes in daily business
- Documentation of changes and processes in Confluence
- Test runs in the development environment
- Configuration and administration of Linux systems
- Configuration and administration of backup systems (Dell Networker, DataDomain)
- Administration of the Checkpoint firewall
Uwe S.
Last position:
Technical Program Lead IPv6 Migration at Deutsche Rentenversicherung (RP, BW)
- Technical program ownership for the IPv6 migration at DRV RP and DRV BW, with a focus on migration planning, execution structure, and cross-functional technical coordination.
- Designed and implemented an operational control model with dashboard, action board, KPI portfolio, risk register, and decision index to translate technical topics into structured delivery artifacts.
- Coordinated technical groundwork for architecture and rollout across IPv6 addressing, segmentation, dual-stack target design, test-lab planning, and cross-team dependencies.
- Supported security and compliance-related requirements in the context of BSI, NIS2, and critical infrastructure, translating them into traceable evidence, risks, and management reporting.
- Achievement: Established a reusable intake-to-governance workflow for systematically capturing technical actions, risks, open issues, and evidence requirements.
- Achievement: Created an operational baseline for technical program execution with measurable KPIs, clear ownership, and transparent decision support.
David B.
Last position:
Acting Partner at Bliestal Consulting UG
- Redesigning cablewise infrastructure with CAT 8.1 keystones, measuring the speed and quality of the new installation with Pockethernet, documentation at a local saddlery
- CAT 8.1 installation and building a data center, site linking, VPN and VLAN configuration for a local car dealership, implementation of IT-Security standards like virus protection (G Data) and firewalling (OPNSense)
- Relocation of a tax office with redesign of the IT infrastructure, virus protection (G Data) and backup solutions (QNAP)
- Planning, conception and implementation of an inhouse data center, BSI-compliant for commercial laundry (including Proxmox-based virtualization of existing infrastructures, QNAP, G Data, OPNSense, APC)
- Implementation and conception of security solutions in the SME sector
- Collaboration on the IT-security concept for the Bremen network of authorities (in the dLAN network)
- Creation of IT-security concept VOIS (modules MESO, KFZ/iKFZ) including audit preparation for KBA
- Expansion of the IT-security concept for the online service for electronic residence registration (eWA) to include use as an eFA (one-for-all) service (nationwide)
- Expansion of the IT-security concept to include modules wos & wvp
- Concept development for the implementation of DIN SPEC 27076 at MSEs and SMEs
- Creation and evaluation of emergency concepts
- Creation and evaluation of response actions and BCM plans
- Assessment of existing business continuity management (ISO 22301)
- Development of BCM strategy options
- Conducting awareness training
Matthias S.
Last position:
Subproject Manager / Head of Monitoring at IT service provider (Berlin/Kolbermoor)
- Subproject Manager / Head of Monitoring for facility management and handling operational project parts as well as coordinating operations
- CheckMK consulting: central monitoring infrastructure with CheckMK master and distributed CheckMK satellites
- Implementation of advanced monitoring approaches, integration of new plugins and customization of the CheckMK agent
- Graphic representation of performance metrics with InfluxDB and Grafana, creation of NagVis/Grafana templates and dashboards
- Monitoring of Linux/UNIX/Windows systems and active components using CheckMK agents/MRPE as well as hardware monitoring via SNMP
- Development of monitoring plugins based on Bash scripting
- Inventory and cross-disciplinary analysis for application-specific monitoring
- Concept design, testing and documentation for integrating CheckMK status messages and performance data into a higher-level umbrella system (Data Leak)
- Technical and conceptual point of contact
Srecko S.
Last position:
Test Consultant at PROSEQUM GmbH
- Taking over operational acceptance tests for internal and external applications in a preproduction environment
- End-to-end tests across multiple systems
- Planning and implementation of acceptances based on expected loads and service levels
- Creation of test plans and automated tests
- Monitoring of systems, log analysis and creation of test reports, monitoring charts and acceptance documentation
- Support during rollouts of security and OS patches in preproduction
- Load and performance tests as well as failover/rollback tests
- Testing SOAP/REST APIs with JMeter, Grafana and Kibana
- Batch tests with Bash and log analysis
- Load and performance tests of own applications
- Test automation with JMeter and PyTest
- Maintenance and creation of Bash scripting tests
- Manual system integration tests
Marcus R.
Last position:
Team Manager at dogado GmbH
- Team leader for Operations Mass Hosting in DACH, Finland and Norway
- Team leader for Engineering Mass Hosting in DACH and Finland
- Responsible for Webhosting & Mail for the dogado Group in DACH and Finland
- Managed a team of 12 Linux administrators, both technically and disciplinarily
Andreas N.
Last position:
Open Source Founder at Privatier
- AI-supported source code analysis
- AI image generation for a shirt shop
- AI-supported analysis of connected YouTube channels and commenting users
- AI-supported software prototyping
- Operation of a local AI environment
- 3D printing and scanning: development of a process to repair GfK parts using 3D-printed negative molds
The focus is on practical applications of new technologies, founding an open-source project for a yacht autopilot, as well as yacht refit and motorhome conversion.
Daniel W.
Last position:
Web Developer and Linux System Administrator at Freelancer
- Consultation on setting up a web server with Apache2 and PHP FPM and an email server with Postfix and Dovecot for Learn4good Ltd.
- Programmed website under-construction.bermudafunk.org in collaboration with a designer and client for bermuda.funk Freies Radio Rhein-Neckar e.V.
- Consultation and network setup on-site including switches, routers, Wi-Fi, network monitoring, firewalls, and installation of sFirm banking software for The Swiss Quality Consulting GmbH
- Consultation on website management and development, email migration from Outlook to cPanel, image optimization, and setting up Square payments for The JABA Group Ltd.
- MS365 consultation, email setup, and document synchronization for PK reno GmbH
- Development and integration of WooCommerce plugins, B2B shop setup, and custom shipping label export for Nurso GmbH
- Minor changes implementation for existing Kirby system for Julia Rautenhaus
- Analysis and fixing of WordPress website after broken updates for Alina Frey
- Linux server hardening, updates, and throughput optimization for 3proxy servers for Lietparkas UAB
- Malware removal from hacked WordPress website for Timo Horn
- Cold email outreach system setup with Postfix and Dovecot and script development for Aman Ketebo
- Customized Docker container creation based on AlmaLinux with ImageMagick 7 and consultation on Docker installation for Henry Hook
- Plesk hosting environment management, code fixes, external supplier integration, and content support for First Class Corporation
- Shopify theme customization, feature development, and payment integration consultation for Youro GmbH
- Intel camera support on Ubuntu after upgrade for Making stories with a lesson
- NginX configuration support on Windows Servers for a NodeJS application for ARMBRUSTER empiric it
- Competitor email verification mechanism analysis for Casey Monaghan
- Plugin development and API connector to Inswitch for freelance website payments for Mediaquotes
- Private XMPP server setup on Raspberry Pi for Antonio Codespoti
- WordPress website recovery after broken plugin update for A & R Tennis
- Microsoft account and Office/Outlook migration support for Prof. Dr. Hanns-Ferdinand Müller
- Customization and performance optimization of client websites for sk.design
- VPN configuration and hacked server cleanup for Xisio Informationssysteme GmbH
- PeerTube server setup and maintenance for Lupin Vondosky
- Lightweight WordPress booking solution programming tailored to client needs for AP Online Marketing
- Code refactoring, bug fixing, and business/technical consultation for RentAfrika
- SellYourSaas setup and deployment infrastructure configuration for I-Motion SARL
- Server, email, GitLab, project management, password management software, and VPNs setup and maintenance for Markus Sattler
- Custom development for over 10 WordPress projects for TOGEMAXX media & webdesign
- WooCommerce shop setup and FTP supplier product import development for SERVOMED GmbH
- Open-source contributions to Whonix components, iptables to nftables migration, shutdown inhibition investigation, and IPv6 support addition for ENCRYPTED SUPPORT LP
- Custom feature development, performance optimization, update management, email delivery support, plugin bug fixes, and translations for KU Europe GmbH
- Custom plugin/theme development, server infrastructure management, support for 100+ WordPress websites, API connector development, deployment script setup, VPN configuration, DNS, email, and web hosting support for giftGRÜN GmbH
- Server setup, web and email hosting migration, and website maintenance and development for Eisbaden.de
- Custom WordPress and Shopify development for EcomPlus GmbH
- Hacked website recovery and hosting migration for Be Brave gUG
- Finalization of development tasks left incomplete by another developer for Medicare Consulting GmbH
- Recovery of unbootable hacked server for SK-Software, Entwicklung & Beratung
Hobby projects:
- Development and running of a web chat application
- Development and running of an email service
- Development and running of a darknet link list
- Development and running of a darknet web hosting platform
- Code contributions to open source projects such as LMMS, Audacity, and Ubuntu
Manfred S.
Last position:
Senior System Engineer Linux at DB InfraGo AG
- Set up and updated virtual machines for railway operations infrastructure.
- Used VMWare vSphere 6–8, Veeam Backup, Microsoft Active Directory, DNS, NPS, and WSUS.
- Used RedHat Satellite Server, rSyslog Server, Icinga2, Postfix, Tacacs, Ansible, and Ansible Automation Platform.
- Operated HPE rack servers and HPE Synergy blade servers with Meinberg NTP Server, Brocade FC, and Cisco Nexus 9000.
Bharathi V.
Last position:
Senior Software Engineer (Individual Contributor) at European XFEL
- Electronic logbook app developed for research centers to maintain their investigations.
- Emphasizes user-driven organization of communication: experiment groups can configure information structure and notifications, while principal investigators maintain full access control.
- Real-time integration with the facility’s metadata catalogue, control system Karabo, and data analysis tool enables the automatic logging of key events, complemented by manual entries as needed.
Discover over 15,000 top freelancers
Statistics of experts using Postfix
Aggregated from the professional profiles of matched freelancers.
Experience
24 years
Position duration
4.6 years
Positions per freelancer
15
Top business areas
Information Technology, Product Development, Operations
Top industries
Information Technology, Telecommunication, Manufacturing
Certification focus areas
Information Technology, Operations, Sales
Bachelor's degree or higher
50%
Master's degree or higher
13%
Certifications per freelancer
2
Most common languages
German, English, French
Speak two or more languages
100%
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.
Average rates of experts in Germany using Postfix
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Postfix experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Information Technology (95%)
- Telecommunication (52%)
- Manufacturing (43%)
- Professional Services (43%)
- Banking and Finance (38%)
- Retail (38%)
- Education (24%)
- Energy (24%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Mail transfer foundation
Postfix is an open-source mail transfer agent used to send, receive, and relay email through SMTP. It handles queue management, routing, delivery retries, and policy enforcement without requiring a full groupware suite. Many teams also search for Postfix MTA or the former name VMailer when evaluating mail infrastructure.
Routing and delivery
Postfix separates message reception from delivery through modular services and clear transport rules. Specialists use virtual aliases, transport maps, relay domains, sender-dependent routing, and queue controls to support transactional mail, internal messaging, and outbound relay services. They also tune delivery behavior for remote mail systems and temporary failures.
Security controls
A production setup needs more than basic SMTP connectivity. Experts configure TLS, authentication, access restrictions, recipient validation, rate controls, and policy services while reducing the risk of open relay abuse. They commonly pair Postfix with SPF, DKIM, and DMARC workflows, antivirus or anti-spam services, and detailed log analysis.
Connected ecosystem
Postfix works with established Linux mail stacks and external data sources. Relevant skills include:
- Dovecot integration for mailbox access and IMAP authentication
- LDAP, MySQL, or PostgreSQL lookups for virtual domains and users
- Rspamd, SpamAssassin, or policy services for message filtering
- Prometheus, Grafana, and system logging for operational visibility
When expertise matters
Companies often bring in freelance specialists during mail platform migrations, domain consolidation, or a move from hosted email to controlled infrastructure. Postfix expertise is also useful when delivery is inconsistent, queues grow unexpectedly, authentication breaks, or security policies need a careful redesign. In Germany, remote collaboration is common, while regulated or high-availability environments may call for on-site coordination and German-language communication.
What strong experts deliver
Strong professionals trace a message from SMTP connection to final delivery and explain each decision in the configuration. They document changes, test rejection and retry paths, protect credentials, and distinguish application faults from DNS, recipient, or reputation issues. They understand Linux operations, DNS records, certificates, networking, shell automation, and incident response, then leave behind a setup the internal team can maintain.
Frequently asked questions
What clients ask us most about Postfix — answered in short.
Postfix is a mail transfer agent that routes and delivers email over SMTP. Companies use it for outbound application mail, inbound relay services, internal mail flow, and controlled delivery between domains or systems.
Postfix emphasizes modular services, clear configuration, and strong separation between processes. Exim offers highly flexible policy expressions, while Sendmail has a long-established but more complex configuration model; the right choice depends on existing operations, integrations, and team familiarity.
A strong Postfix specialist usually understands Linux, DNS, TLS certificates, SMTP authentication, and mail reputation controls. Experience with Dovecot, LDAP or SQL lookups, DKIM signing, DMARC reporting, and filtering tools is valuable when the scope includes a complete mail stack.
The required depth depends on the mail flow and its risk. A simple relay may need focused configuration and testing, while migrations, multiple domains, strict filtering, and high delivery volume call for an expert who can plan rollback, validate queues, and troubleshoot under live conditions.
Yes. Postfix work is often suitable for secure remote collaboration through controlled access, configuration reviews, and shared monitoring. On-site work can still help when the system is tied to local infrastructure, sensitive operational processes, or teams that prefer German-language coordination.
Ask the Postfix specialist to explain queue behavior, retry handling, relay restrictions, authentication, and the relationship between DNS and delivery. Good work includes tested changes, readable documentation, useful alerts, protected secrets, and evidence that failure and abuse scenarios were considered.
Postfix focuses on mail transfer rather than mailbox access or storage. A complete email service commonly combines it with Dovecot for IMAP and mailbox handling, plus directory or database lookups for accounts, aliases, and domain data.
A Postfix environment may need expert attention when queues remain stuck, legitimate messages are rejected, the host is suspected of relaying abuse, or delivery results differ between domains. Repeated TLS, authentication, DNS, or filtering failures also indicate that a structured review is safer than isolated configuration changes.
The average hourly rate of freelancers in Germany who have used Postfix in their recent projects is 104 €, which corresponds to a daily rate of about 834 € based on an 8-hour working day.
Of the freelancers in Germany who have used Postfix in their recent projects, 50% hold at least a Bachelor's degree and 13% hold at least a Master's degree.
On average, freelancers in Germany who have used Postfix in their recent projects have 24 years of professional experience, with a single engagement typically lasting around 4.6 years.
The most common languages among freelancers in Germany who have used Postfix in their recent projects are German (100%), English (100%), and French (33%).
The most common industries among freelancers in Germany who have used Postfix in their recent projects are Information Technology (95%), Telecommunication (52%), and Manufacturing (43%).
The most common business areas among freelancers in Germany who have used Postfix in their recent projects are Information Technology (100%), Product Development (71%), and Operations (67%).
Main locations of FRATCH Experts, who have recently used Postfix
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
