Developer credits
Git commits in Moodle 3.8.6 by Tim Schroeder
commit 482d85942f50548bda9200ca5b2c27070146f8ce Author: Tim Schroeder <t.schroeder@itc.rwth-aachen.de> Date: Fri, 17 Apr 2020 03:40:01 +0800 Tag: v3.8.6 MDL-68438 message: fixed email format change with messaging disabled