MailScanner broken

[Tom Munro Glass]

Yesterday I updated with portmaster and now MailScanner is broken. When I try 
to start it I get the following messages:

Starting mailscanner.
IO::Compress::Base::Common version 2.004 required--this is only version 2.003 
at /usr/local/lib/perl5/site_perl/5.8.8/Compress/Zlib.pm line 11.
BEGIN failed--compilation aborted 
at /usr/local/lib/perl5/site_perl/5.8.8/Compress/Zlib.pm line 11.
Compilation failed in require 
at /usr/local/lib/perl5/site_perl/5.8.8/Archive/Zip.pm line 24.
BEGIN failed--compilation aborted 
at /usr/local/lib/perl5/site_perl/5.8.8/Archive/Zip.pm line 24.
Compilation failed in require 
at /usr/local/lib/MailScanner/MailScanner/Message.pm line 48.
BEGIN failed--compilation aborted 
at /usr/local/lib/MailScanner/MailScanner/Message.pm line 48.
Compilation failed in require at /usr/local/sbin/mailscanner line 79.
BEGIN failed--compilation aborted at /usr/local/sbin/mailscanner line 79.


I have rebuilt MailScanner plus all perl libraries but still get the same 
message.

Any ideas please?

Tom Munro Glass