FC3 Want to "downgrade" perl.

[nodata]

On Sun, 2005-07-24 at 16:37 -0400, neidorff wrote:
> Hi folks,
> 
> Last night yum automatically updated perl and perl-suid to 5.8.5-14 on
> my FC3 system.  Now my qmail server no longer sends or receives mail. 
> So, I downloaded the last perl/perl-suid packages (5.8.5-12) and am
> trying to "downgrade" to them.  I tried the --oldpackage flag in rpm:
> 
> #rpm -ivh --oldpackage perl-5.8.5-12.FC3.i386.rpm
> 
> but I get file conflict errors--file X of <old version> confilcts with
> file X of <new version>
> 
> I want to do this carefully and without failure since a lot of things
> on the system depend upon perl.
> 
> How can make the downgrade happen?  (I have found no other changes
> that would mess things up on this server.  If anyone knows of any
> other problem that might have caused mail to stop, please let me know)
> 
> Thanks,
> 
> Mark
> 

What makes you think this is perl related?
Do you get any errors in your mail log?
Have you searched bugzilla, or logged a bug?
Do you get any errors in whatever uses perl's log?