Removed mail configuration (#764)

Change-Id: Ic065c5f86c898b659040b4b8065dfad39d6193fe
diff --git a/Changes b/Changes
index 85d9ba2..cf11729 100644
--- a/Changes
+++ b/Changes
@@ -15,6 +15,8 @@
 - Removed GroupMemberStatus (#764)
 - Replace invite and subscribe to add member (#764)
 - Remove unsubscribe member (#764)
+- Added deprecation messages to deprecated services
+- Removed mail configuration (#764)
 
 # version 0.74