This bug is part of the non-responsive maintainer procedure for lon, following https://docs.fedoraproject.org/en-US/fesco/Policy_for_nonresponsive_package_maintainers/. Please respond if you are still active in Fedora and want to maintain dtach.
This package has changed maintainer in Fedora. Reassigning to the new maintainer of this component.
Responded on devel@ and re-assigned, thanks!