Index: branches/5.2.x/core/install/upgrades.sql
===================================================================
diff -u -N -r14968 -r14973
--- branches/5.2.x/core/install/upgrades.sql	(.../upgrades.sql)	(revision 14968)
+++ branches/5.2.x/core/install/upgrades.sql	(.../upgrades.sql)	(revision 14973)
@@ -2509,4 +2509,13 @@
 
 UPDATE PortalUser
 SET FrontLanguage = 1
-WHERE UserType = 0;
\ No newline at end of file
+WHERE UserType = 0;
+
+ALTER TABLE PortalUser
+	ADD PrevEmails TEXT NULL AFTER Email,
+	ADD EmailVerified TINYINT NOT NULL AFTER `Status`;
+
+UPDATE PortalUser SET EmailVerified = 1;
+
+INSERT INTO Events (EventId, Event, ReplacementTags, Enabled, FrontEndOnly, Module, Description, Type, AllowChangingSender, AllowChangingRecipient) VALUES(DEFAULT, 'USER.EMAIL.CHANGE.VERIFY', NULL, 1, 0, 'Core', 'Changed E-mail Verification', 0, 1, 1);
+INSERT INTO Events (EventId, Event, ReplacementTags, Enabled, FrontEndOnly, Module, Description, Type, AllowChangingSender, AllowChangingRecipient) VALUES(DEFAULT, 'USER.EMAIL.CHANGE.UNDO', NULL, 1, 0, 'Core', 'Changed E-mail Rollback', 0, 1, 1);