diff --git a/server/backend/migration/20240312000000.go b/server/backend/migration/20240312000000.go
index 27ad2a87..2148d684 100644
--- a/server/backend/migration/20240312000000.go
+++ b/server/backend/migration/20240312000000.go
@@ -6,45 +6,45 @@ import (
 )
 
 // migrate20240212000000
-// remove unused ios notifications
+// implemented a basic variant of spam protection
 func migrate20240212000000() *gormigrate.Migration {
 	return &gormigrate.Migration{
 		ID: "20240212000000",
 		Migrate: func(tx *gorm.DB) error {
-			if err := tx.Raw("alter table feedback modify email_id text charset utf8mb3 not null").Error; err != nil {
+			if err := tx.Exec("alter table feedback modify email_id text charset utf8mb3 not null").Error; err != nil {
 				return err
 			}
-			if err := tx.Raw("alter table feedback modify receiver text charset utf8mb3 not null").Error; err != nil {
+			if err := tx.Exec("alter table feedback modify receiver text charset utf8mb3 not null").Error; err != nil {
 				return err
 			}
-			if err := tx.Raw("alter table feedback modify feedback text charset utf8mb3 not null").Error; err != nil {
+			if err := tx.Exec("alter table feedback modify feedback text charset utf8mb3 not null").Error; err != nil {
 				return err
 			}
-			if err := tx.Raw("alter table feedback modify image_count int not null").Error; err != nil {
+			if err := tx.Exec("alter table feedback modify image_count int not null").Error; err != nil {
 				return err
 			}
-			if err := tx.Raw("alter table feedback modify timestamp datetime default current_timestamp() not null").Error; err != nil {
+			if err := tx.Exec("alter table feedback modify timestamp datetime default current_timestamp() not null").Error; err != nil {
 				return err
 			}
-			return tx.Raw("create unique index receiver_reply_to_feedback_app_version_uindex on feedback (receiver,reply_to,feedback,app_version)").Error
+			return tx.Exec("create unique index receiver_reply_to_feedback_app_version_uindex on feedback (receiver,reply_to,feedback,app_version)").Error
 		},
 		Rollback: func(tx *gorm.DB) error {
-			if err := tx.Raw("alter table feedback modify email_id text charset utf8mb3 null").Error; err != nil {
+			if err := tx.Exec("alter table feedback modify email_id text charset utf8mb3 null").Error; err != nil {
 				return err
 			}
-			if err := tx.Raw("alter table feedback modify receiver text charset utf8mb3 null").Error; err != nil {
+			if err := tx.Exec("alter table feedback modify receiver text charset utf8mb3 null").Error; err != nil {
 				return err
 			}
-			if err := tx.Raw("alter table feedback modify feedback text charset utf8mb3 null").Error; err != nil {
+			if err := tx.Exec("alter table feedback modify feedback text charset utf8mb3 null").Error; err != nil {
 				return err
 			}
-			if err := tx.Raw("alter table feedback modify image_count int null").Error; err != nil {
+			if err := tx.Exec("alter table feedback modify image_count int null").Error; err != nil {
 				return err
 			}
-			if err := tx.Raw("alter table feedback modify timestamp datetime default current_timestamp() null").Error; err != nil {
+			if err := tx.Exec("alter table feedback modify timestamp datetime default current_timestamp() null").Error; err != nil {
 				return err
 			}
-			return tx.Raw("drop index receiver_reply_to_feedback_app_version_uindex on feedback").Error
+			return tx.Exec("drop index receiver_reply_to_feedback_app_version_uindex on feedback").Error
 		},
 	}
 }