civicrm/civicrm-core — pull request #791 by dlobo (2013-05-18 00:56:05+00:00)
Title: CRM-9855

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* CRM-9855: CiviMail sets X-header "X-CiviMail-Bounce" on outbound bulk email, but does not use it to identify an inbound bounce
http://issues.civicrm.org/jira/browse/CRM-9855