SMTP Experts in Germany
in minutes from over 15,000 CVs with the power of AI.Hire experts who set up mail relay, fix delivery issues, and tune SPF, DKIM, and DMARC around SMTP flows. Get fast, precise matching with vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used SMTP
Markus Halbedel
Last position:
Senior M365 Consultant at BITMARCK GmbH
Creation of concepts for M365 implementation, especially Tenants, EntraID, EntraConnect and ExchangeOnline, taking BAS standards into account (mandatory baseline security requirements) in the project "Concept M365" with the aim of transferring the concepts to the M365 environments of Bitmarck and then handing them over to the customer.
- Creation of a current-state analysis of the existing M365 environments as well as the on-premises environments and the BAS standards.
- Creation of concepts for the topics Tenants, EntraID, EntraConnect and ExchangeOnline taking the BAS standards into account
- Design and implementation of an automated solution for creating standardized M365 tenants based on Microsoft M365 DSC (Desired State Configuration)
- Transfer of the concepts into the M365 environments
- Creation of detailed technical documentation
Sabahattin Kunas
Last position:
Sole responsibility (concept, development, infrastructure, operations) at Own project busik.ch
- Ride-sharing and bus platform, live and working. Backend Spring Boot 4.1 on Java 21, PostgreSQL with Flyway, Testcontainers integration tests. Running in my own AWS account (ECS Fargate, ALB, ECR, IAM least privilege) with CI/CD via GitHub Actions and OIDC federation without static credentials. Development throughout AI-assisted with Claude Code, including my own skills and project-specific memory. Spring Boot · Java 21 · PostgreSQL · Flyway · Docker · AWS ECS/ALB/ECR · CI/CD · GitHub Actions · Claude Code
Markus Blohm
Last position:
Consultant, Technical Project Manager at Lanxess
- Project: ESU Windows and SQL Server consolidation / Configuration Management in ServiceNow
- Creation of an as-is analysis of all servers worldwide
- Creation of an as-is analysis of all SQL servers worldwide
- Creation of requirements analyses for SQL and server migrations
- Coordination of requirements with partners for migrations to Hyper-V (on-premises) or Azure Cloud
- Moderation of jour fixe meetings
- Creation of roadmaps and solution models for server migrations
- Setup of test scenarios
- Moderation of workshops for the introduction of a Global Admin Team
- Creation of data models (CMDB) in ServiceNow
- Conducting workshops for the CMDB data model
- Creation of solution models for the CMDB
- Creation of seamless configuration and work documentation for the CMDB
- Creation of reports for license management
- Creation of KPIs for data quality in ServiceNow
- Creation of a service catalog
- Moderation of workshops for creating service requests
- Interface between needs analysis and ServiceNow development team
- Systems used: Windows 7, Windows 10, Microsoft Office 365/2010, Windows Server 20xx, SQL Server 20xx, SharePoint, Azure Cloud, Hyper-V, ServiceNow, various tools
Udo Neubauer
Last position:
Project Manager / Rollout Coordinator at BWI
Rollout of printers and PCs
- Effective management of external service providers to ensure smooth operations.
- Planning and implementation of a global rollout for 150,000 clients.
- Carrying out a comprehensive risk analysis, including overall risk, site-specific risks, and security risks.
- Successful consolidation of two existing ServiceNow systems to optimize service management.
- Close coordination with program management to achieve the project goals.
Daniel Sedlack
Last position:
Senior Software Engineer at energielenker solutions GmbH
- Designed and implemented a Python-based ETL pipeline with the Dagster framework to transform raw energy data from heterogeneous sources using InfluxDB and visualizations in Grafana
- Defined time-based and dependency-based jobs
- Deployed to managed Kubernetes clusters using Helm
- Integrated InfluxDB Cloud
- Prepared data for use in Grafana, including cleaning, normalization, and time-based resampling in Python
- Developed dashboards and visualizations in Grafana
- Developed unit tests with mocking using pytest
- Set up a CI/CD pipeline in GitLab
Technologies: Python, Dagster, InfluxDB, Grafana, pandas, pytest, REST, CI/CD, GitLab, Container, Kubernetes, Helm, Docker, Cloud
Stefan Amann
Last position:
Sole Architect and Developer at Bauernhof-Eis Stangl GbR
Design and implementation of a compact ERP, CRM, accounting, and production-planning platform for a German food manufacturer. The system replaces Rechnung11, self-built Excel sheets, and manual processes for fewer than 10 internal users.
- Designed and implemented the full platform architecture as sole architect and developer.
- Built modules for customer management, B2B order handling, invoicing, production planning, and accounting support.
- Implemented DATEV export, ZUGFeRD/XRechnung e-invoicing, FinTS bank statement synchronization, and GoBD audit trail concepts.
- Used AI-supported workflows for prototyping, test support, and implementation acceleration while retaining full architecture, review, testing strategy, and technical ownership.
Technology: Java 23, Spring Boot 3, Spring Data JPA, Spring Security, Vue 3, TypeScript, PostgreSQL, Flyway, REST, OpenAPI, JWT, TOTP, RBAC, DATEV, FinTS, ZUGFeRD, XRechnung, GoBD, JUnit, Mockito, Testcontainers, Playwright, Docker, GitLab CI/CD
Ola Van Dunen
Last position:
IT Lecturer
- IT training in theory and practice for IT specialists in application development and system integration
Daniel Knirsch
Last position:
Project planning and implementation of a 95 kWp PV system at Asset management company
- Analysis of technical and economic feasibility
- Creation of a detailed project plan including time and resource management
- Requesting and evaluating offers, selecting components, and managing suppliers
- Coordination of all involved trades (e.g. electricians, installation companies)
- Monitoring the construction work and ensuring deadlines, budgets, and quality standards are met
- Acceptance and commissioning of the PV system including documentation
- After project completion: optimizing monitoring and supporting grid connection
Frank Bergmann
Last position:
System Engineer at Frequentis Comsoft
- Migrate company software to RHEL10
- Development in Bash, Python, C, Ansible
Alexander Schulze
Last position:
AI Consultant for AI Voice Bot System at Rudolf Hörmann GmbH & Co.KG
- Consultant for system architecture, AI agents & integration, coach for data & process logic, Graph-RAG approaches, security and data protection.
- On-premise AI solutions with high compliance and performance requirements.
- Architecture decisions, operational setup, strategic prioritization & deployment.
- Technologies: LiveKit JS SDK, LiveKit Agents, Web Audio API, JS, AudioWorklet, Loki, vLLM, Zscaler, Docker, Neo4j, MySQL, Python.
- Models: GPT-OSS 20B, Whisper large v3 turbo, Qwen3-TTS.
Stefan Marx
Last position:
Bundesrechtsanwaltskammer
- Design, planning and execution of complex acceptance tests for a document exchange platform for the German justice authorities.
- Validation of decrypted and certificate-based message exchange via web platform, mobile app, and Java API.
- Documentation of test cases, execution steps, and test results.
- Technologies: Windows 11/10, Ubuntu, iOS, Android, Bash for Windows, Java 17, IntelliJ, Git, Jira, Confluence, Citrix Server, xJustiz standard implementation, specific justice software.
Cedric Oettel
Last position:
Development at Construction industry
- New development of project room functions
- Connection of REST API of a self-developed web service (.NET 7/8) as Azure App Service
- UI tests with Playwright
- Extension of Azure DevOps pipelines
- Migration to Azure SQL Server
- Software / technology: SharePoint Online, PowerShell scripts, SharePoint Framework, MobX, C#, Logic Apps, Playwright, Azure SQL Server, Graph API
Patrick Waldschmitt
Last position:
AI Software Engineer at IppenMedia
- Analysis
- Consulting
- Software design
- Development
- Automation
- Testing
- Deployment
- Architecture, development and deployment of various proof-of-concept applications around the integration of current AI interfaces including conversational, realtime voice, images and videos
- Developed best practices for working with agentic systems and AI in practice
- Created code templates
Jürgen Kasch
Last position:
Interim Management / Business Succession – Process Analysis & Stakeholder Management
As part of the preparation and operational support of a business succession:
- Company analysis: Analysis of the overall economic, organizational and structural situation (current state, strengths/weaknesses, risk potentials)
- Process analysis: Recording and documentation of all relevant business processes (BPMN, UML) in the areas of management, finance, procurement, sales and operations
- Process optimization: Identification of weaknesses and inefficiencies, development and operational implementation of improvement measures
- Stakeholder management: Identification and analysis of all relevant internal and external stakeholders; structured communication and coordination with previous and future owners, shareholders and employees
- Change management: Supporting the workforce and management through the handover process; building acceptance and trust among all participants
- Governance & documentation: Creation and handover of structured operation manuals, process documentation and organizational handbook for the new business owner
- Risk & vulnerability analysis: Assessment of operational and strategic risks in the handover process and development of recommended actions
- Operational support: Interim takeover of leadership tasks; ensuring business continuity during the transition phase
Johannes Obier
Last position:
Co-Developer at fundgarden GmbH
- Work with the Berlin-based fundgarden GmbH (fund.garden), a platform for funding management with a focus on the music sector
- Technologies: PHP 8.3–8.4, Laravel 12, Livewire 2–3, Tailwind CSS, AlpineJS
Discover over 15,000 top freelancers
Statistics of experts using SMTP
Aggregated from the professional profiles of matched freelancers.
Experience
28 years
Position duration
2 years
Positions per freelancer
24
Top business areas
Information Technology, Project Management, Product Development
Top industries
Information Technology, Banking and Finance, Manufacturing
Certification focus areas
Information Technology, Project Management, Product Development
Bachelor's degree or higher
71%
Master's degree or higher
50%
Doctorate
21%
Certifications per freelancer
4
Most common languages
German, English, French
Speak two or more languages
100%
Based on our profile pool as of 30 Aug 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates of experts in Germany using SMTP
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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
SMTP basics
SMTP, the Simple Mail Transfer Protocol, moves email between systems. It is the standard behind message submission, relay, and handoff to other mail servers. Experts use it to design reliable email delivery for application alerts, account messages, and business mail flows.
Where it fits
SMTP is used with mail servers, queueing, and authentication layers.
- Application mail sending
- Mail relay and forwarding
- Transactional email delivery
- Internal notification flows
- Gateway and server integration
Common tooling
Strong specialists know Postfix, Exim, Microsoft Exchange, and common message transfer tools. They also work with TLS, MX records, SPF, DKIM, DMARC, and SMTP AUTH. In Germany, they often support teams that need email systems aligned with local hosting, security, and operations standards.
When companies bring help
Freelance expertise is useful when email stops reaching inboxes, relays reject messages, or old server settings block modern authentication. It also helps during migrations, domain changes, and cleanup after poor sender reputation. Teams bring in specialists for audits, fixes, and safe production changes.
What strong experts do
Good professionals trace delivery path by path, read server logs, and separate content problems from transport problems. They understand message queues, retry behavior, spam filtering signals, and certificate setup. They document changes clearly so operations teams can keep the system stable after handover.
Delivery quality
SMTP work is not only about sending mail. It is about making sure messages are accepted, routed, and delivered with the right headers, authentication, and server behavior. Strong experts know how to balance reliability, security, and compatibility across different mail providers.
Frequently asked questions
Questions about SMTP? Start with the answers below.
SMTP moves email from one server to another and from an app to a mail server. It is the transport layer for sending messages, while IMAP or POP are usually used for reading them later. Companies rely on it for alerts, receipts, reset emails, and internal mail flows.
You usually need a Simple Mail Transfer Protocol specialist when mail is delayed, rejected, or marked as spam despite correct content. A strong specialist can read logs, check DNS authentication, and fix relay or TLS issues without breaking production mail. That matters most during migrations or when sender reputation has already been damaged.
SMTP is the sending protocol, so it is often compared with other ways of handling email rather than replaced by them. IMAP and POP are for mailbox access, while many email services still use SMTP behind the scenes for delivery. Application email APIs can simplify integration, but the mail flow still depends on SMTP behavior at the server level.
A strong SMTP expert should also understand DNS, TLS, SPF, DKIM, DMARC, and mail server configuration. Log analysis and basic Linux administration are important too, especially when the issue is in the server, not the application. For larger setups, queue handling and relay routing also matter.
It depends on the task, but SMTP work often needs more than basic email sending knowledge when it touches authentication, deliverability, or migration. Small fixes may be straightforward, while mail server redesigns need someone who has handled production traffic before. The more systems involved, the more valuable practical experience becomes.
Most SMTP tasks can be done remotely because the work is usually configuration, testing, and log review. On-site help in Germany can be useful when access rules are strict, internal networks are isolated, or several teams need to coordinate changes live. Many companies mix both: remote analysis and a short on-site session for rollout.
Look for someone who explains delivery problems in clear steps and can point to the exact cause, not just the symptom. A good SMTP specialist will discuss headers, authentication, relay rules, and queue behavior in a structured way. Past work on migrations, server hardening, and deliverability fixes is a strong sign.
The most common SMTP issues are blocked relays, failed authentication, DNS mismatches, and messages that land in spam or never leave the queue. Problems also appear after domain changes, certificate updates, or server moves. A specialist should be able to test the full path from application to mailbox.
The average hourly rate of freelancers in Germany who have used SMTP in their recent projects is 96 €, which corresponds to a daily rate of about 771 € based on an 8-hour working day.
Of the freelancers in Germany who have used SMTP in their recent projects, 71% hold at least a Bachelor's degree, 50% hold at least a Master's degree, and 21% hold a doctorate.
On average, freelancers in Germany who have used SMTP in their recent projects have 28 years of professional experience, with a single engagement typically lasting around 2 years.
The most common languages among freelancers in Germany who have used SMTP in their recent projects are German (100%), English (100%), and French (28%).
The most common industries among freelancers in Germany who have used SMTP in their recent projects are Information Technology (96%), Banking and Finance (67%), and Manufacturing (63%).
The most common business areas among freelancers in Germany who have used SMTP in their recent projects are Information Technology (100%), Project Management (83%), and Product Development (76%).
Main locations of FRATCH Experts, who have recently used SMTP
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 
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Philipp Thomaschewski
FRATCH CEO
