diff --git a/.env.example b/.env.example
index 565a391..5a0dec3 100644
--- a/.env.example
+++ b/.env.example
@@ -7,4 +7,5 @@ DB_PASSWORD=bla
 DB_NAME=./test.sqlite
 NODE_ENV=production
 POSTALCODE_COUNTRYCODE=DE
-SEED_TEST_DATA=false
\ No newline at end of file
+SEED_TEST_DATA=false
+SELFSERVICE_URL=bla
\ No newline at end of file
diff --git a/README.md b/README.md
index cbbfcd0..ea2200f 100644
--- a/README.md
+++ b/README.md
@@ -59,6 +59,7 @@ pnpm docs
 | SEED_TEST_DATA         | Boolean            | False                | If you want the app to seed some example data set this to true                                                 |
 | MAILER_URL             | String(Url)        | N/A                  | The mailer's base url (no trailing slash)                                                                      |
 | MAILER_KEY             | String             | N/A                  | The mailer's api key.                                                                                          |
+| SELFSERVICE_URL        | String(Url)        | N/A                  | The link to selfservice (no trailing slash)                                                                    |
 | IMPRINT_URL            | String(Url)        | /imprint             | The link to a imprint page for the system (Defaults to the frontend's imprint)                                 |
 | PRIVACY_URL            | String(Url)        | /privacy             | The link to a privacy page for the system (Defaults to the frontend's privacy page)                            |
 
diff --git a/src/controllers/RunnerSelfServiceController.ts b/src/controllers/RunnerSelfServiceController.ts
index ec98eda..5168e0c 100644
--- a/src/controllers/RunnerSelfServiceController.ts
+++ b/src/controllers/RunnerSelfServiceController.ts
@@ -131,7 +131,7 @@ export class RunnerSelfServiceController {
 		const token = JwtCreator.createSelfService(runner);
 
 		try {
-			await Mailer.sendSelfserviceForgottenMail(runner.email, token, locale)
+			await Mailer.sendSelfserviceForgottenMail(runner.email, runner.id, runner.firstname, runner.middlename, runner.lastname, token, locale)
 		} catch (error) {
 			throw new MailSendingError();
 		}
@@ -157,7 +157,7 @@ export class RunnerSelfServiceController {
 		response.token = JwtCreator.createSelfService(runner);
 
 		try {
-			await Mailer.sendSelfserviceWelcomeMail(runner.email, response.token, locale)
+			await Mailer.sendSelfserviceWelcomeMail(runner.email, runner.id, runner.firstname, runner.middlename, runner.lastname, response.token, locale)
 		} catch (error) {
 			throw new MailSendingError();
 		}
@@ -182,7 +182,7 @@ export class RunnerSelfServiceController {
 		response.token = JwtCreator.createSelfService(runner);
 
 		try {
-			await Mailer.sendSelfserviceWelcomeMail(runner.email, response.token, locale)
+			await Mailer.sendSelfserviceWelcomeMail(runner.email, runner.id, runner.firstname, runner.middlename, runner.lastname, response.token, locale)
 		} catch (error) {
 			throw new MailSendingError();
 		}
diff --git a/src/mailer.ts b/src/mailer.ts
index fae23d1..447df70 100644
--- a/src/mailer.ts
+++ b/src/mailer.ts
@@ -18,9 +18,19 @@ export class Mailer {
      */
     public static async sendResetMail(to_address: string, token: string, locale: string = "en") {
         try {
-            await axios.post(`${Mailer.base}/reset?locale=${locale}&key=${Mailer.key}`, {
-                address: to_address,
-                resetKey: token
+            await axios.request({
+                method: 'POST',
+                url: `${Mailer.base}/api/v1/email`,
+                headers: {
+                    authorization: `Bearer ${Mailer.key}`,
+                    'content-type': 'application/json'
+                },
+                data: {
+                    to: to_address,
+                    templateName: 'password-reset',
+                    language: locale,
+                    data: { token: token }
+                }
             });
         } catch (error) {
             if (Mailer.testing) { return true; }
@@ -32,12 +42,26 @@ export class Mailer {
      * Function for sending a runner selfservice welcome mail.
      * @param to_address The address the mail will be sent to. Should always get pulled from a runner object.
      * @param token The requested selfservice token - will be combined with the app_url to generate a selfservice profile link.
-     */
-    public static async sendSelfserviceWelcomeMail(to_address: string, token: string, locale: string = "en") {
+    */
+    public static async sendSelfserviceWelcomeMail(to_address: string, runner_id: number, firstname: string, middlename: string, lastname: string, token: string, locale: string = "en") {
         try {
-            await axios.post(`${Mailer.base}/registration?locale=${locale}&key=${Mailer.key}`, {
-                address: to_address,
-                selfserviceToken: token
+            await axios.request({
+                method: 'POST',
+                url: `${Mailer.base}/api/v1/email`,
+                headers: {
+                    authorization: `Bearer ${Mailer.key}`,
+                    'content-type': 'application/json'
+                },
+                data: {
+                    to: to_address,
+                    templateName: 'welcome',
+                    language: locale,
+                    data: {
+                        name: `${firstname} ${middlename} ${lastname}`,
+                        barcode_content: `${runner_id}`,
+                        link: `${process.env.SELFSERVICE_URL}/profile/${token}`
+                    }
+                }
             });
         } catch (error) {
             if (Mailer.testing) { return true; }
@@ -49,12 +73,26 @@ export class Mailer {
      * Function for sending a runner selfservice link forgotten mail.
      * @param to_address The address the mail will be sent to. Should always get pulled from a runner object.
      * @param token The requested selfservice token - will be combined with the app_url to generate a selfservice profile link.
-     */
-    public static async sendSelfserviceForgottenMail(to_address: string, token: string, locale: string = "en") {
+    */
+    public static async sendSelfserviceForgottenMail(to_address: string, runner_id: number, firstname: string, middlename: string, lastname: string, token: string, locale: string = "en") {
         try {
-            await axios.post(`${Mailer.base}/registration_forgot?locale=${locale}&key=${Mailer.key}`, {
-                address: to_address,
-                selfserviceToken: token
+            await axios.request({
+                method: 'POST',
+                url: `${Mailer.base}/api/v1/email`,
+                headers: {
+                    authorization: `Bearer ${Mailer.key}`,
+                    'content-type': 'application/json'
+                },
+                data: {
+                    to: to_address,
+                    templateName: 'welcome',
+                    language: locale,
+                    data: {
+                        name: `${firstname} ${middlename} ${lastname}`,
+                        barcode_content: `${runner_id}`,
+                        link: `${process.env.SELFSERVICE_URL}/profile/${token}`
+                    }
+                }
             });
         } catch (error) {
             if (Mailer.testing) { return true; }