diff --git a/config/00-realm-config.yaml b/config/00-realm-config.yaml
index de635b5..d8e2724 100644
--- a/config/00-realm-config.yaml
+++ b/config/00-realm-config.yaml
@@ -1,4 +1,6 @@
 realm: $(REALM_NAME)
+hostname: $(KEYCLOAK_HOSTNAME)
+frontendUrl: $(KEYCLOAK_HOSTNAME)
 enabled: true
 displayName: $(REALM_DISPLAY_NAME)
 loginTheme: Blue_stripes
@@ -6,30 +8,25 @@ attributes:
   userProfileEnabled: true
 registrationAllowed: true
 registrationEmailAsUsername: false # Set to true if you want email as username
-editUsernameAllowed: false # Prevent username changes after registration
+editUsernameAllowed: true # Prevent username changes after registration
 
 internationalizationEnabled: true
 defaultLocale: ru
 supportedLocales:
   - ru
 
-userProfile:
-  attributes:
-    - name: "username"
-      displayName: ${username}
+smtpServer:
+  # Sender Details
+  from: $(EMAIL_ADRESS)
+  fromDisplayName: $(REALM_NAME)
 
-      permissions:
-        view: ["admin", "user"]
-        edit: ["admin", "user"]
+  # Connection Settings
+  host: $(SMTP_HOST)
+  port: $(SMTP_PORT) # Common ports: 25, 465 (SSL), 587 (TLS)
+  auth: true
+  ssl: $(SMTP_SSL) # Enable for port 465
+  starttls: $(SMTP_STARTLS) # Enable for port 587
 
-    - name: "email"
-      displayName: ${email}
-      required:
-        roles: ["user"]
-      permissions:
-        view: ["admin", "user"]
-        edit: ["admin", "user"]
-      validations:
-        email: {}
-
-  unmanagedAttributePolicy: "ADMIN_VIEW"
+  # Authentication Credentials (use string values directly)
+  user: $(SMTP_USER)
+  password: $(SMTP_PASSWORD)
diff --git a/config/02-users-config.yaml b/config/02-users-config.yaml
index 482e0b1..142c0c8 100644
--- a/config/02-users-config.yaml
+++ b/config/02-users-config.yaml
@@ -8,3 +8,24 @@ users:
       realm-management:
         - view-users
         - query-users
+
+userProfile:
+  attributes:
+    - name: "username"
+      displayName: ${username}
+
+      permissions:
+        view: ["admin", "user"]
+        edit: ["admin", "user"]
+
+    - name: "email"
+      displayName: ${email}
+      required:
+        roles: ["user"]
+      permissions:
+        view: ["admin", "user"]
+        edit: ["admin", "user"]
+      validations:
+        email: {}
+
+  unmanagedAttributePolicy: "ADMIN_VIEW"
diff --git a/docker-compose.yml b/docker-compose.yml
index 32e754a..7ec8774 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -13,6 +13,7 @@ services:
       KC_HEALTH_ENABLED: "true"
       KC_LOG_LEVEL: INFO
       KC_HOSTNAME: ${KEYCLOAK_HOSTNAME}
+      KC_HOSTNAME_STRICT: false
       KC_PROXY: edge
       KC_HTTP_ENABLED: "true"
     volumes:
diff --git a/nginx/keycloak.conf b/nginx/keycloak.conf
index 9c61ddd..b617d97 100644
--- a/nginx/keycloak.conf
+++ b/nginx/keycloak.conf
@@ -24,6 +24,5 @@ server {
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_set_header X-Forwarded-Proto https;
     }
 }