text_combined: contentfilter nooneru postmasternooneru message lenakimnooneru considered unsolicited bulk email ube internal reference code message 2080408wmdhssdlh7bs message carried return address either genuine mail sender address faked email address abused third party case apologize undesired notification try minimize backscatter prominent cases ube infected mail less obvious cases ube balance losing genuine mail sending undesired backscatter sought collateral damage sides first upstream smtp client ip address 7924169121 host121169dynamic2479rretailtelecomitaliait according received trace message originated 7924169121 host121169dynamic2479rretailtelecomitaliait host121169dynamic2479rretailtelecomitaliait 7924169121 returnpath messageid 000601c8f8740231e26eb59179b9tbcul subject koi8rb6c7gz9lnwcpjz87o2cugwsha2sdewc7o2cg delivery email stopped thu 07 aug 2008 141836 0400 considered unsolicited bulk email apparently