The following patch is available upstream: Commit 9b8b6343: https://gitlab.com/fetchmail/fetchmail/commit/9b8b634312f169fab872f3580c2febe5af031615
As plain diff: https://gitlab.com/fetchmail/fetchmail/commit/9b8b634312f169fab872f3580c2febe5af031615.diff It would be great if the Debian package can be patched accordingly. Cheers, Timo