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Resolved Install error Spamassassin

RemcoF

New Pleskian
I tried to install Spamassassin but keep getting an install error:

WARNING: The following packages cannot be authenticated!
libmpc3 libisl15 cpp gcc libdigest-hmac-perl liberror-perl libsocket6-perl
libio-socket-inet6-perl libnet-ip-perl libnet-dns-perl libnetaddr-ip-perl
libmail-spf-perl libsys-hostname-long-perl manpages-dev re2c
E: There were unauthenticated packages and -y was used without --allow-unauthenticated

ERROR: An error occurred on attempt to install packages.
Attention! Your software might be inoperable.
Please contact product technical support.
exit status 1


I treid to install it with SSH and the normal backend. I thought it could be a caching problem althought the first time the install timed out. On Google I can't find the right solution that works for me. Maybe someone can help me, thank you!

Best Regards,
Remco
 
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