diff --git a/backend/src/graphql/resolver/ContributionMessageResolver.ts b/backend/src/graphql/resolver/ContributionMessageResolver.ts
index 1f47a14d6..38bea804e 100644
--- a/backend/src/graphql/resolver/ContributionMessageResolver.ts
+++ b/backend/src/graphql/resolver/ContributionMessageResolver.ts
@@ -15,8 +15,7 @@ import Paginated from '@arg/Paginated'
 import { backendLogger as logger } from '@/server/logger'
 import { RIGHTS } from '@/auth/RIGHTS'
 import { Context, getUser } from '@/server/context'
-import { sendAddedContributionMessageEmail } from '@/mailer/sendAddedContributionMessageEmail'
-import CONFIG from '@/config'
+import { sendAddedContributionMessageEmail } from '@/emails/sendEmailVariants'
 
 @Resolver()
 export class ContributionMessageResolver {
@@ -139,15 +138,13 @@ export class ContributionMessageResolver {
       }
 
       await sendAddedContributionMessageEmail({
+        firstName: contribution.user.firstName,
+        lastName: contribution.user.lastName,
+        email: contribution.user.emailContact.email,
+        language: contribution.user.language,
         senderFirstName: user.firstName,
         senderLastName: user.lastName,
-        recipientFirstName: contribution.user.firstName,
-        recipientLastName: contribution.user.lastName,
-        recipientEmail: contribution.user.emailContact.email,
-        senderEmail: user.emailContact.email,
         contributionMemo: contribution.memo,
-        message,
-        overviewURL: CONFIG.EMAIL_LINK_OVERVIEW,
       })
       await queryRunner.commitTransaction()
     } catch (e) {
diff --git a/backend/src/graphql/resolver/ContributionResolver.test.ts b/backend/src/graphql/resolver/ContributionResolver.test.ts
index 1223ded0e..387018624 100644
--- a/backend/src/graphql/resolver/ContributionResolver.test.ts
+++ b/backend/src/graphql/resolver/ContributionResolver.test.ts
@@ -21,7 +21,11 @@ import {
   listContributions,
   listUnconfirmedContributions,
 } from '@/seeds/graphql/queries'
-import { sendContributionConfirmedEmail } from '@/mailer/sendContributionConfirmedEmail'
+import {
+  // sendAccountActivationEmail,
+  sendContributionConfirmedEmail,
+  // sendContributionRejectedEmail,
+} from '@/emails/sendEmailVariants'
 import { cleanDB, resetToken, testEnvironment, contributionDateFormatter } from '@test/helpers'
 import { GraphQLError } from 'graphql'
 import { userFactory } from '@/seeds/factory/user'
@@ -33,13 +37,22 @@ import { Contribution } from '@entity/Contribution'
 import { Transaction as DbTransaction } from '@entity/Transaction'
 import { User } from '@entity/User'
 import { EventProtocolType } from '@/event/EventProtocolType'
-import { logger } from '@test/testSetup'
+import { logger, i18n as localization } from '@test/testSetup'
 
 // mock account activation email to avoid console spam
-jest.mock('@/mailer/sendContributionConfirmedEmail', () => {
+// mock account activation email to avoid console spam
+jest.mock('@/emails/sendEmailVariants', () => {
+  const originalModule = jest.requireActual('@/emails/sendEmailVariants')
   return {
     __esModule: true,
-    sendContributionConfirmedEmail: jest.fn(),
+    ...originalModule,
+    // TODO: test the call of …
+    // sendAccountActivationEmail: jest.fn((a) => originalModule.sendAccountActivationEmail(a)),
+    sendContributionConfirmedEmail: jest.fn((a) =>
+      originalModule.sendContributionConfirmedEmail(a),
+    ),
+    // TODO: test the call of …
+    // sendContributionRejectedEmail: jest.fn((a) => originalModule.sendContributionRejectedEmail(a)),
   }
 })
 
@@ -50,7 +63,7 @@ let admin: User
 let result: any
 
 beforeAll(async () => {
-  testEnv = await testEnvironment()
+  testEnv = await testEnvironment(logger, localization)
   mutate = testEnv.mutate
   query = testEnv.query
   con = testEnv.con
@@ -1903,17 +1916,16 @@ describe('ContributionResolver', () => {
             })
 
             it('calls sendContributionConfirmedEmail', async () => {
-              expect(sendContributionConfirmedEmail).toBeCalledWith(
-                expect.objectContaining({
-                  contributionMemo: 'Herzlich Willkommen bei Gradido liebe Bibi!',
-                  overviewURL: 'http://localhost/overview',
-                  recipientEmail: 'bibi@bloxberg.de',
-                  recipientFirstName: 'Bibi',
-                  recipientLastName: 'Bloxberg',
-                  senderFirstName: 'Peter',
-                  senderLastName: 'Lustig',
-                }),
-              )
+              expect(sendContributionConfirmedEmail).toBeCalledWith({
+                firstName: 'Bibi',
+                lastName: 'Bloxberg',
+                email: 'bibi@bloxberg.de',
+                language: 'de',
+                senderFirstName: 'Peter',
+                senderLastName: 'Lustig',
+                contributionMemo: 'Herzlich Willkommen bei Gradido liebe Bibi!',
+                contributionAmount: expect.decimalEqual(450),
+              })
             })
 
             it('stores the send confirmation email event in the database', async () => {
diff --git a/backend/src/graphql/resolver/ContributionResolver.ts b/backend/src/graphql/resolver/ContributionResolver.ts
index d3e72c2ff..32c72b9b1 100644
--- a/backend/src/graphql/resolver/ContributionResolver.ts
+++ b/backend/src/graphql/resolver/ContributionResolver.ts
@@ -45,10 +45,11 @@ import {
   EventAdminContributionUpdate,
 } from '@/event/Event'
 import { eventProtocol } from '@/event/EventProtocolEmitter'
-import CONFIG from '@/config'
-import { sendContributionRejectedEmail } from '@/mailer/sendContributionRejectedEmail'
 import { calculateDecay } from '@/util/decay'
-import { sendContributionConfirmedEmail } from '@/mailer/sendContributionConfirmedEmail'
+import {
+  sendContributionConfirmedEmail,
+  sendContributionRejectedEmail,
+} from '@/emails/sendEmailVariants'
 
 @Resolver()
 export class ContributionResolver {
@@ -533,14 +534,13 @@ export class ContributionResolver {
       event.setEventAdminContributionDelete(eventAdminContributionDelete),
     )
     sendContributionRejectedEmail({
+      firstName: user.firstName,
+      lastName: user.lastName,
+      email: user.emailContact.email,
+      language: user.language,
       senderFirstName: moderator.firstName,
       senderLastName: moderator.lastName,
-      recipientEmail: user.emailContact.email,
-      recipientFirstName: user.firstName,
-      recipientLastName: user.lastName,
       contributionMemo: contribution.memo,
-      contributionAmount: contribution.amount,
-      overviewURL: CONFIG.EMAIL_LINK_OVERVIEW,
     })
 
     return !!res
@@ -628,14 +628,14 @@ export class ContributionResolver {
       await queryRunner.commitTransaction()
       logger.info('creation commited successfuly.')
       sendContributionConfirmedEmail({
+        firstName: user.firstName,
+        lastName: user.lastName,
+        email: user.emailContact.email,
+        language: user.language,
         senderFirstName: moderatorUser.firstName,
         senderLastName: moderatorUser.lastName,
-        recipientFirstName: user.firstName,
-        recipientLastName: user.lastName,
-        recipientEmail: user.emailContact.email,
         contributionMemo: contribution.memo,
         contributionAmount: contribution.amount,
-        overviewURL: CONFIG.EMAIL_LINK_OVERVIEW,
       })
     } catch (e) {
       await queryRunner.rollbackTransaction()
diff --git a/backend/src/graphql/resolver/UserResolver.ts b/backend/src/graphql/resolver/UserResolver.ts
index 0f89110e8..711dc48af 100644
--- a/backend/src/graphql/resolver/UserResolver.ts
+++ b/backend/src/graphql/resolver/UserResolver.ts
@@ -1051,17 +1051,18 @@ export class UserResolver {
     }
     const emailContact = user.emailContact
     if (emailContact.deletedAt) {
-      logger.error(`The emailContact: ${email} of htis User is deleted.`)
-      throw new Error(`The emailContact: ${email} of htis User is deleted.`)
+      logger.error(`The emailContact: ${email} of this User is deleted.`)
+      throw new Error(`The emailContact: ${email} of this User is deleted.`)
     }
 
     // eslint-disable-next-line @typescript-eslint/no-unused-vars
     const emailSent = await sendAccountActivationEmail({
-      link: activationLink(emailContact.emailVerificationCode),
       firstName: user.firstName,
       lastName: user.lastName,
       email,
-      duration: printTimeDuration(CONFIG.EMAIL_CODE_VALID_TIME),
+      language: user.language,
+      activationLink: activationLink(emailContact.emailVerificationCode),
+      timeDurationObject: getTimeDurationObject(CONFIG.EMAIL_CODE_VALID_TIME),
     })
 
     // In case EMails are disabled log the activation link for the user