We would need to kill hesiod package as upstream is dead and it is security vulnerable. Hence, it would be nice to disable its optional support here Thanks
commit f92e54b84b8d2838ae3ca44022251146fbeaae58 Author: Michał Górny <mgorny@gentoo.org> Date: Sun Aug 26 19:19:13 2018 +0200 net-mail/fetchmail: Remove support for non-existent deps