I'm trying to install iRedMail on OpenBSD 6.6. The installation is fails because it can't find version .18. I looked at the repository and uwsgi-2.0.17 is the latest version there.

[ INFO ] Checking new version of iRedMail ...
[ INFO ] Fetching source tarballs ...
[ INFO ] + 1 of 5: https://dl.iredmail.org/yum/misc/uwsgi-2.0.18.tar.gz
ftp: Error retrieving file: 404 Not Found
[ INFO ] + 2 of 5: https://dl.iredmail.org/yum/misc/iRedAdmin-1.0.tar.bz2
iRedAdmin-1.0.tar.bz2 100% |****************************|   386 KB    00:01   
[ INFO ] + 3 of 5: https://dl.iredmail.org/yum/misc/mlmmjadmin-2.1.tar.gz
mlmmjadmin-2.1.tar.gz 100% |****************************| 39814       00:00   
[ INFO ] + 4 of 5: https://dl.iredmail.org/yum/misc/iRedAPD-3.4.tar.gz
iRedAPD-3.4.tar.gz 100% |*******************************|   112 KB    00:00   
[ INFO ] + 5 of 5: https://dl.iredmail.org/yum/misc/roundc … ete.tar.gz
roundcubemail-1.4.2-co... 100% |************************|  6841 KB    00:07   
[ INFO ] Validate downloaded source tarballs ...
cksum: cannot open misc/uwsgi-2.0.18.tar.gz: No such file or directory
(SHA256) misc/uwsgi-2.0.18.tar.gz: MISSING
(SHA256) misc/iRedAdmin-1.0.tar.bz2: OK
(SHA256) misc/mlmmjadmin-2.1.tar.gz: OK
(SHA256) misc/iRedAPD-3.4.tar.gz: OK
(SHA256) misc/roundcubemail-1.4.2-complete.tar.gz: OK
    [ FAILED ]
<< ERROR >> Package verification failed. Script exit ...