sendmail: package owner error info is going to log.info
sendmail: package owner error info is going to log.info

*CLOUDBLD-2089

Signed-off-by: Salatskyi Serhii <3a2b708ccf3db09237dcdc2ae263a91d7c669197@redhat.com>

fr34k8/atomic-reactor,projectatomic/atomic-reactor,DBuildService/atomic-reactor,projectatomic/atomic-reactor,DBuildService/atomic-reactor,fr34k8/atomic-reactor