[CentOS] Yum - which repo did a package come from

Tue Aug 4 07:13:33 UTC 2009
Linux Advocate <linuxhousedn at yahoo.com>




> 
> > What command ( or yum command )  can i  use to find out which repo did this 
> installled package come from.
> 
> rpm -qi packagename

# rpm -qi mailscanner

Name        : mailscanner                  Relocations: (not relocatable)
Version     : 4.74.13                           Vendor: Electronics and Computer Science, University of Southampton
Release     : 2                             Build Date: Mon 05 Jan 2009 03:44:33 AM MYT
Install Date: Sat 28 Feb 2009 05:54:11 PM MYT      Build Host: alegria.ecs.soton.ac.uk
Group       : System Environment/Daemons    Source RPM: mailscanner-4.74.13-2.src.rpm
Size        : 2892864                          License: GPL
Signature   : DSA/SHA1, Tue 06 Jan 2009 05:32:59 AM MYT, Key ID f21f6e07e67c046c
Packager    : Julian Field <mailscanner at ecs.soton.ac.uk>
URL         : http://www.mailscanner.info/
Summary     : E-Mail Gateway Virus Scanner and Spam Detector
Description :
MailScanner is a freely distributable E-Mail gateway virus scanner and
spam detector. It uses Postfix, sendmail, ZMailer, Qmail or Exim as its basis,
and a choice of 22 commercial virus scanning engines to do the actual
virus scanning. 

But i know that i got the mailscanner rpm from the vanderkooij repo... but the vendor line shows julian fields employer?