Aki Tuomi enhanced fuzz testing for the google/oss-fuzz repository by integrating the Pigeonhole component into the Dovecot fuzzer build, broadening test coverage and improving security validation. Using Dockerfile and shell scripting, Aki developed semistatic fuzzers and implemented containerized, isolated builds to eliminate dependencies on shared libraries. This approach increased the reproducibility and reliability of the fuzzing framework, enabling earlier detection of security issues and reducing CI workflow instability. The work demonstrated depth in containerization and DevOps practices, modernizing the security testing process and contributing to more robust, maintainable continuous integration for open source software projects.