# curl https://imapsync.lamiral.info/imapsync -o imapsync
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  650k  100  650k    0     0  1327k      0 --:--:-- --:--:-- --:--:-- 1327k
# chmod +x imapsync

# dnf whatprovides */cpanm
Last metadata expiration check: 0:38:34 ago on Вск 10 мая 2020 14:29:15.
perl-App-cpanminus-1.7044-5.module_el8.1.0+241+cfcaf26a.noarch : Get, unpack, build and install
                                                               : CPAN modules
Repo        : AppStream
Matched from:
Filename    : /usr/bin/cpanm

# dnf install perl-App-cpanminus-1.7044-5.module_el8.1.0+241+cfcaf26a.noarch

# cpanm install File::Copy::Recursive IO::Tee Mail::IMAPClient Unicode::String Readonly Regexp::Common File::Tail Encode::IMAPUTF7

imapsync --host1 server1 --user1 user1 --password1 password1 \
    --host2 server2 --user2 user2 --password2 password2