Version 0.21 is posted

Mail-in-a-Box Version: v0.20

Updating system packages…
Installing system packages…
Initializing system random number generator…
Firewall is active and enabled on system startup
Installing nsd (DNS server)…
Installing Postfix (SMTP server)…
Installing Dovecot (IMAP server)…
Installing OpenDKIM/OpenDMARC…
Installing SpamAssassin…
Installing Nginx (web server)…
Installing Roundcube (webmail)…
Installing ownCloud (contacts/calendar)…
ownCloud is already latest version
Installing Z-Push (Exchange/ActiveSync server)…
Installing Mail-in-a-Box system management daemon…
Installing Munin (system monitoring)…
updated DNS: OpenDKIM configuration
Traceback (most recent call last):
File “management/ssl_certificates.py”, line 807, in
provision_certificates_cmdline()
File “management/ssl_certificates.py”, line 450, in provision_certificates_cmdline
status = provision_certificates(env, agree_to_tos_url=agree_to_tos_url, logger=my_logger, force_domains=force_domains, show_extended_problems=show_extended_problems)
File “management/ssl_certificates.py”, line 272, in provision_certificates
import acme.messages
File “/usr/local/lib/python3.4/dist-packages/acme/messages.py”, line 4, in
from acme import challenges
File “/usr/local/lib/python3.4/dist-packages/acme/challenges.py”, line 9, in
import OpenSSL
ImportError: No module named ‘OpenSSL’