Error switching from qmail to postfix

[HostaHost]

Server is completely up to date, trying to use autoinstaller produces this:

5 packages excluded due to repository priority protections
Attempt to remove 'plesk-mail-qc-driver' to resolve conflict has succeeded
No package matched to remove: psa-qmail-rblsmtpd-0.88-cos6.build110120606.19.x86_64
Attempt to remove 'psa-qmail-rblsmtpd-0.88-cos6.build110120606.19.x86_64' to resolve conflict has failed
No package matched to remove: plesk-mail-qc-driver-11.0.9-cos6.build110120608.16.x86_64
Attempt to remove 'plesk-mail-qc-driver-11.0.9-cos6.build110120608.16.x86_64' to resolve conflict has failed
No package matched to remove: 2:psa-qmail-1.03-cos6.build110120606.19.x86_64
Attempt to remove '2:psa-qmail-1.03-cos6.build110120606.19.x86_64' to resolve conflict has failed
No package matched to remove: psa-qmail-rblsmtpd-0.88-cos6.build110120606.19.x86_64
Attempt to remove 'psa-qmail-rblsmtpd-0.88-cos6.build110120606.19.x86_64' to resolve conflict has failed
No package matched to remove: 2:psa-qmail-1.03-cos6.build110120606.19.x86_64
Attempt to remove '2:psa-qmail-1.03-cos6.build110120606.19.x86_64' to resolve conflict has failed
No package matched to remove: psa-qmail-rblsmtpd-0.88-cos6.build110120606.19.x86_64
Attempt to remove 'psa-qmail-rblsmtpd-0.88-cos6.build110120606.19.x86_64' to resolve conflict has failed
No package matched to remove: 2:psa-qmail-1.03-cos6.build110120606.19.x86_64
Attempt to remove '2:psa-qmail-1.03-cos6.build110120606.19.x86_64' to resolve conflict has failed
No package matched to remove: psa-qmail-rblsmtpd-0.88-cos6.build110120606.19.x86_64
Attempt to remove 'psa-qmail-rblsmtpd-0.88-cos6.build110120606.19.x86_64' to resolve conflict has failed
No package matched to remove: 2:psa-qmail-1.03-cos6.build110120606.19.x86_64
Attempt to remove '2:psa-qmail-1.03-cos6.build110120606.19.x86_64' to resolve conflict has failed
No package matched to remove: psa-qmail-rblsmtpd-0.88-cos6.build110120606.19.x86_64
Attempt to remove 'psa-qmail-rblsmtpd-0.88-cos6.build110120606.19.x86_64' to resolve conflict has failed
No package matched to remove: 2:psa-qmail-1.03-cos6.build110120606.19.x86_64
Attempt to remove '2:psa-qmail-1.03-cos6.build110120606.19.x86_64' to resolve conflict has failed
Exception: Failed to solve dependencies:
plesk-mail-pc-driver conflicts with psa-qmail-rblsmtpd-0.88-cos6.build110120606.19.x86_64
plesk-mail-pc-driver conflicts with 2:psa-qmail-1.03-cos6.build110120606.19.x86_64

ERROR: The Yum utility failed to install the required packages.
Attention! Your software might be inoperable.
Please, contact product technical support.

 

[Thomas Becker]

http://kb.parallels.com/en/115779

 

[HostaHost]

Thanks; that's basically what I ended up doing. I'm guessing since the kb article didn't exist until 12 hours ago this is a known (now) bug.