Upgrading from the postfix 2.0 RPM shipped in FC2 to the rawhide
postfix 2.1, I get

[root@knomta fc2]# rpm -Fvh postfix-2.1.1-1.i386.rpm
Preparing...               
########################################### [100%]
   1:postfix                warning: /etc/postfix/main.cf created as
/etc/postfix/main.cf.rpmnew
warning: /etc/postfix/master.cf created as /etc/postfix/master.cf.rpmnew
########################################### [100%]
Editing /etc/postfix/master.cf, adding missing entry for trace service
Editing /etc/postfix/master.cf, adding missing entry for verify service
 
    Note: the following files or directories still exist but are no
    longer part of Postfix:
 
     /etc/postfix/pcre_table /etc/postfix/regexp_table
     /usr/share/man/man8/nqmgr.8.gz
[root@knomta fc2]# 

The note is wrong.
 
[root@knomta fc2]# ls -l /etc/postfix/pcre_table
/etc/postfix/regexp_table /usr/share/man/man8/nqmgr.8.gz
ls: /etc/postfix/pcre_table: No such file or directory
ls: /etc/postfix/regexp_table: No such file or directory
ls: /usr/share/man/man8/nqmgr.8.gz: No such file or directory
[root@knomta fc2]#