[CentOS] sa-update error with perl

>>  On my Zimbra server (CentOS 5.7), sa works fine.

>>  I have spamassassin-3.3.1-2.el5 and 
>>  perl-IO-Socket-INET6-2.51-2.fc6 installed.
> Same here.  Are you running sa-update?  SpamAssassin works
> fine for me, but sa-update is giving this error every time it runs.

Yes, it seems to run fine:
  Updating (Sun Jan  1 00:00:01 CET 2012)...
  Update available for channel updates.spamassassin.org
  Update was available, and was downloaded and installed successfully
  ...

>>  Did you disable IPV6?
> No - can you explain what you are implying?

Hum... not sure anymore why I asked...  ^_^
Nevermind.

Did you install any perl libs out of rpm/yum...?
BTW, 64bits here...

JD