=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Fetching fetchmail-6.4.8.tar.xz
=> Total size: 1282300 bytes
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file fetchmail-6.4.8.tar.xz
fetch: Unable to fetch expected file fetchmail-6.4.8.tar.xz
ftp: Can't connect to `2001:470:a085:999::21:80': Connection timed out
ftp: Can't connect to `ftp6.NetBSD.org:http'
fetch: Unable to fetch expected file fetchmail-6.4.8.tar.xz
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file fetchmail-6.4.8.tar.xz
ftp: Can't connect to `2001:470:a085:999::21:80': Connection timed out
ftp: Receiving HTTP reply: EOF received
fetch: Unable to fetch expected file fetchmail-6.4.8.tar.xz
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/mail/fetchmail