diff --git a/federation/src/graphql/api/1_0/resolver/SendCoinsResolver.test.ts b/federation/src/graphql/api/1_0/resolver/SendCoinsResolver.test.ts
index 2ab2cc8b3..e542542bc 100644
--- a/federation/src/graphql/api/1_0/resolver/SendCoinsResolver.test.ts
+++ b/federation/src/graphql/api/1_0/resolver/SendCoinsResolver.test.ts
@@ -41,7 +41,9 @@ beforeAll(async () => {
 
 afterAll(async () => {
   // await cleanDB()
-  await con.destroy()
+  if (!testEnv.con || !testEnv.con.isConnected) {
+    await testEnv.con.close()
+  }
 })
 
 describe('SendCoinsResolver', () => {
@@ -92,6 +94,7 @@ describe('SendCoinsResolver', () => {
 
     sendUser = DbUser.create()
     sendUser.alias = 'sendUser-alias'
+    sendUser.communityUuid = '56a55482-909e-46a4-bfa2-cd025e894eba'
     sendUser.firstName = 'sendUser-FirstName'
     sendUser.gradidoID = '56a55482-909e-46a4-bfa2-cd025e894ebc'
     sendUser.lastName = 'sendUser-LastName'
@@ -106,6 +109,7 @@ describe('SendCoinsResolver', () => {
 
     recipUser = DbUser.create()
     recipUser.alias = 'recipUser-alias'
+    recipUser.communityUuid = '56a55482-909e-46a4-bfa2-cd025e894ebb'
     recipUser.firstName = 'recipUser-FirstName'
     recipUser.gradidoID = '56a55482-909e-46a4-bfa2-cd025e894ebd'
     recipUser.lastName = 'recipUser-LastName'
@@ -182,7 +186,7 @@ describe('SendCoinsResolver', () => {
       })
     })
 
-    describe('valid X-Com-TX voted', () => {
+    describe('valid X-Com-TX voted per gradidoID', () => {
       it('throws an error', async () => {
         jest.clearAllMocks()
         const args = new SendCoinsArgs()
@@ -219,6 +223,82 @@ describe('SendCoinsResolver', () => {
         )
       })
     })
+
+    describe('valid X-Com-TX voted per alias', () => {
+      it('throws an error', async () => {
+        jest.clearAllMocks()
+        const args = new SendCoinsArgs()
+        if (foreignCom.communityUuid) {
+          args.recipientCommunityUuid = foreignCom.communityUuid
+        }
+        args.recipientUserIdentifier = recipUser.alias
+        args.creationDate = new Date().toISOString()
+        args.amount = new Decimal(100)
+        args.memo = 'X-Com-TX memo'
+        if (homeCom.communityUuid) {
+          args.senderCommunityUuid = homeCom.communityUuid
+        }
+        args.senderUserUuid = sendUser.gradidoID
+        args.senderUserName = fullName(sendUser.firstName, sendUser.lastName)
+        args.senderAlias = sendUser.alias
+        expect(
+          await mutate({
+            mutation: voteForSendCoinsMutation,
+            variables: { args },
+          }),
+        ).toEqual(
+          expect.objectContaining({
+            data: {
+              voteForSendCoins: {
+                recipGradidoID: '56a55482-909e-46a4-bfa2-cd025e894ebd',
+                recipFirstName: 'recipUser-FirstName',
+                recipLastName: 'recipUser-LastName',
+                recipAlias: 'recipUser-alias',
+                vote: true,
+              },
+            },
+          }),
+        )
+      })
+    })
+
+    describe('valid X-Com-TX voted per email', () => {
+      it('throws an error', async () => {
+        jest.clearAllMocks()
+        const args = new SendCoinsArgs()
+        if (foreignCom.communityUuid) {
+          args.recipientCommunityUuid = foreignCom.communityUuid
+        }
+        args.recipientUserIdentifier = recipContact.email
+        args.creationDate = new Date().toISOString()
+        args.amount = new Decimal(100)
+        args.memo = 'X-Com-TX memo'
+        if (homeCom.communityUuid) {
+          args.senderCommunityUuid = homeCom.communityUuid
+        }
+        args.senderUserUuid = sendUser.gradidoID
+        args.senderUserName = fullName(sendUser.firstName, sendUser.lastName)
+        args.senderAlias = sendUser.alias
+        expect(
+          await mutate({
+            mutation: voteForSendCoinsMutation,
+            variables: { args },
+          }),
+        ).toEqual(
+          expect.objectContaining({
+            data: {
+              voteForSendCoins: {
+                recipGradidoID: '56a55482-909e-46a4-bfa2-cd025e894ebd',
+                recipFirstName: 'recipUser-FirstName',
+                recipLastName: 'recipUser-LastName',
+                recipAlias: 'recipUser-alias',
+                vote: true,
+              },
+            },
+          }),
+        )
+      })
+    })
   })
 
   describe('revertSendCoins', () => {
@@ -588,7 +668,7 @@ async function newEmailContact(email: string, userId: number): Promise<DbUserCon
   emailContact.email = email
   emailContact.userId = userId
   emailContact.type = 'EMAIL'
-  emailContact.emailChecked = false
+  emailContact.emailChecked = true
   emailContact.emailOptInTypeId = 1
   emailContact.emailVerificationCode = '1' + userId
   return emailContact
diff --git a/federation/src/graphql/api/1_0/resolver/SendCoinsResolver.ts b/federation/src/graphql/api/1_0/resolver/SendCoinsResolver.ts
index 98f8af422..aa6e2300e 100644
--- a/federation/src/graphql/api/1_0/resolver/SendCoinsResolver.ts
+++ b/federation/src/graphql/api/1_0/resolver/SendCoinsResolver.ts
@@ -41,7 +41,6 @@ export class SendCoinsResolver {
     // first check if receiver community is correct
     const homeCom = await DbCommunity.findOneBy({
       communityUuid: args.recipientCommunityUuid,
-      foreign: false,
     })
     if (!homeCom) {
       throw new LogError(
diff --git a/federation/src/graphql/api/1_0/util/storeForeignUser.ts b/federation/src/graphql/api/1_0/util/storeForeignUser.ts
index 89d8deb89..eeeb76a8f 100644
--- a/federation/src/graphql/api/1_0/util/storeForeignUser.ts
+++ b/federation/src/graphql/api/1_0/util/storeForeignUser.ts
@@ -21,7 +21,7 @@ export async function storeForeignUser(args: SendCoinsArgs): Promise<boolean> {
         )
         let foreignUser = DbUser.create()
         foreignUser.foreign = true
-        if (args.senderAlias !== null) {
+        if (args.senderAlias) {
           foreignUser.alias = args.senderAlias
         }
         foreignUser.communityUuid = args.senderCommunityUuid