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Author: Marius Burkard

install/sql/incremental/upd_dev_collection.sql

@@ -7,7 +7,7 @@ ALTER TABLE `spamfilter_users` ALTER `policy_id` SET DEFAULT 0;
 
 -- mail_forwarding.source must be unique
 ALTER TABLE `mail_forwarding` DROP KEY `server_id`;
-ALTER TABLE `mail_forwarding` ADD UNIQUE KEY `server_id` (`server_id`, `source`);
+ALTER TABLE `mail_forwarding` ADD KEY `server_id` (`server_id`, `source`);
 
 -- Purge apps & addons installer (#5795) - second time due to syntax error in 0093
 DROP TABLE IF EXISTS `software_package`;