civicrm/civicrm-core — pull request #1599 by totten (2013-09-05 07:18:45+00:00)
Title: CRM-11958 - Add hook_civicrm_alterMailer (with unit-test)

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* CRM-11958: New hook implementation for altering outgoing mail configuration
http://issues.civicrm.org/jira/browse/CRM-11958