diff --git a/apps/red-ui/src/app/modules/admin/dialogs/smtp-auth-dialog/smtp-auth-dialog.component.ts b/apps/red-ui/src/app/modules/admin/dialogs/smtp-auth-dialog/smtp-auth-dialog.component.ts
index fbee22bb9..60b5ad9a5 100644
--- a/apps/red-ui/src/app/modules/admin/dialogs/smtp-auth-dialog/smtp-auth-dialog.component.ts
+++ b/apps/red-ui/src/app/modules/admin/dialogs/smtp-auth-dialog/smtp-auth-dialog.component.ts
@@ -2,7 +2,7 @@ import { Component, Inject } from '@angular/core';
 import { FormBuilder, FormGroup, Validators } from '@angular/forms';
 import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
 import { UserService } from '@services/user.service';
-import { SMTPConfiguration } from '@redaction/red-ui-http';
+import { ISmtpConfiguration } from '@red/domain';
 
 @Component({
     selector: 'redaction-smtp-auth-dialog',
@@ -16,7 +16,7 @@ export class SmtpAuthDialogComponent {
         private readonly _formBuilder: FormBuilder,
         private readonly _userService: UserService,
         public dialogRef: MatDialogRef<SmtpAuthDialogComponent>,
-        @Inject(MAT_DIALOG_DATA) public data: SMTPConfiguration,
+        @Inject(MAT_DIALOG_DATA) public data: ISmtpConfiguration,
     ) {
         this.authForm = this._formBuilder.group({
             user: [data?.user || this._userService.currentUser.email, [Validators.required]],
diff --git a/apps/red-ui/src/app/modules/admin/screens/general-config/general-config-screen.component.ts b/apps/red-ui/src/app/modules/admin/screens/general-config/general-config-screen.component.ts
index cf4f4d619..ca7f1934b 100644
--- a/apps/red-ui/src/app/modules/admin/screens/general-config/general-config-screen.component.ts
+++ b/apps/red-ui/src/app/modules/admin/screens/general-config/general-config-screen.component.ts
@@ -1,7 +1,7 @@
 import { Component, OnDestroy, OnInit } from '@angular/core';
 import { FormBuilder, FormGroup, Validators } from '@angular/forms';
 import { AdminDialogService } from '../../services/admin-dialog.service';
-import { GeneralConfigurationModel, SMTPConfiguration } from '@redaction/red-ui-http';
+import { IGeneralConfiguration, ISmtpConfiguration } from '@red/domain';
 import { ConfigService } from '@services/config.service';
 import { AutoUnsubscribe, IconButtonTypes, LoadingService, Toaster } from '@iqser/common-ui';
 import { marker as _ } from '@biesbjerg/ngx-translate-extract-marker';
@@ -21,8 +21,8 @@ export class GeneralConfigScreenComponent extends AutoUnsubscribe implements OnI
     readonly configForm: FormGroup;
     readonly smtpForm: FormGroup;
 
-    private _initialGeneralConfiguration: GeneralConfigurationModel;
-    private _initialSMTPConfiguration: SMTPConfiguration;
+    private _initialGeneralConfiguration: IGeneralConfiguration;
+    private _initialSMTPConfiguration: ISmtpConfiguration;
 
     constructor(
         private readonly _toaster: Toaster,
diff --git a/apps/red-ui/src/app/modules/admin/services/smtp-config.service.ts b/apps/red-ui/src/app/modules/admin/services/smtp-config.service.ts
index 8d7391026..7d9f0faea 100644
--- a/apps/red-ui/src/app/modules/admin/services/smtp-config.service.ts
+++ b/apps/red-ui/src/app/modules/admin/services/smtp-config.service.ts
@@ -1,6 +1,6 @@
 import { Injectable, Injector } from '@angular/core';
 import { GenericService, RequiredParam, Validate } from '@iqser/common-ui';
-import { SMTPConfiguration } from '@redaction/red-ui-http';
+import { ISmtpConfiguration } from '@red/domain';
 
 @Injectable()
 export class SmtpConfigService extends GenericService<unknown> {
@@ -9,12 +9,12 @@ export class SmtpConfigService extends GenericService<unknown> {
     }
 
     @Validate()
-    updateSMTPConfiguration(@RequiredParam() body: SMTPConfiguration) {
+    updateSMTPConfiguration(@RequiredParam() body: ISmtpConfiguration) {
         return this._post(body, `${this._defaultModelPath}/smtp`);
     }
 
     @Validate()
-    testSMTPConfiguration(@RequiredParam() body: SMTPConfiguration) {
+    testSMTPConfiguration(@RequiredParam() body: ISmtpConfiguration) {
         return this._post(body, `${this._defaultModelPath}/smtp/test`);
     }
 
diff --git a/apps/red-ui/src/app/services/general-settings.service.ts b/apps/red-ui/src/app/services/general-settings.service.ts
index 08613dfae..b817352c8 100644
--- a/apps/red-ui/src/app/services/general-settings.service.ts
+++ b/apps/red-ui/src/app/services/general-settings.service.ts
@@ -1,11 +1,11 @@
 import { Injectable, Injector } from '@angular/core';
 import { GenericService, RequiredParam, Validate } from '@iqser/common-ui';
-import { GeneralConfigurationModel } from '@redaction/red-ui-http';
+import { IGeneralConfiguration } from '@red/domain';
 
 @Injectable({
     providedIn: 'root',
 })
-export class GeneralSettingsService extends GenericService<GeneralConfigurationModel> {
+export class GeneralSettingsService extends GenericService<IGeneralConfiguration> {
     constructor(protected readonly _injector: Injector) {
         super(_injector, 'configuration');
     }
@@ -15,7 +15,7 @@ export class GeneralSettingsService extends GenericService<GeneralConfigurationM
     }
 
     @Validate()
-    updateGeneralConfigurations(@RequiredParam() body: GeneralConfigurationModel) {
+    updateGeneralConfigurations(@RequiredParam() body: IGeneralConfiguration) {
         return this._post<unknown>(body, `${this._defaultModelPath}/general`);
     }
 }
diff --git a/libs/red-domain/src/index.ts b/libs/red-domain/src/index.ts
index 0ce6beffa..3053a71b2 100644
--- a/libs/red-domain/src/index.ts
+++ b/libs/red-domain/src/index.ts
@@ -14,3 +14,4 @@ export * from './lib/file-attributes';
 export * from './lib/files';
 export * from './lib/downloads';
 export * from './lib/reports';
+export * from './lib/configuration';
diff --git a/libs/red-domain/src/lib/configuration/general-configuration.ts b/libs/red-domain/src/lib/configuration/general-configuration.ts
new file mode 100644
index 000000000..8f422c410
--- /dev/null
+++ b/libs/red-domain/src/lib/configuration/general-configuration.ts
@@ -0,0 +1,5 @@
+export interface IGeneralConfiguration {
+    auxiliaryName?: string;
+    displayName?: string;
+    forgotPasswordFunctionEnabled?: boolean;
+}
diff --git a/libs/red-domain/src/lib/configuration/index.ts b/libs/red-domain/src/lib/configuration/index.ts
new file mode 100644
index 000000000..425d064c7
--- /dev/null
+++ b/libs/red-domain/src/lib/configuration/index.ts
@@ -0,0 +1,2 @@
+export * from './general-configuration';
+export * from './smtp-configuration';
diff --git a/libs/red-domain/src/lib/configuration/smtp-configuration.ts b/libs/red-domain/src/lib/configuration/smtp-configuration.ts
new file mode 100644
index 000000000..4095e55f5
--- /dev/null
+++ b/libs/red-domain/src/lib/configuration/smtp-configuration.ts
@@ -0,0 +1,15 @@
+export interface ISmtpConfiguration {
+    auth?: boolean;
+    envelopeFrom?: string;
+    from?: string;
+    fromDisplayName?: string;
+    host?: string;
+    id?: string;
+    password?: string;
+    port?: number;
+    replyTo?: string;
+    replyToDisplayName?: string;
+    ssl?: boolean;
+    starttls?: boolean;
+    user?: string;
+}
diff --git a/libs/red-ui-http/src/lib/model/generalConfigurationModel.ts b/libs/red-ui-http/src/lib/model/generalConfigurationModel.ts
deleted file mode 100644
index de1c46a8b..000000000
--- a/libs/red-ui-http/src/lib/model/generalConfigurationModel.ts
+++ /dev/null
@@ -1,17 +0,0 @@
-/**
- * API Documentation for Redaction Gateway
- * Description for redaction
- *
- * OpenAPI spec version: 1.0
- *
- *
- * NOTE: This class is auto generated by the swagger code generator program.
- * https://github.com/swagger-api/swagger-codegen.git
- * Do not edit the class manually.
- */
-
-export interface GeneralConfigurationModel {
-    auxiliaryName?: string;
-    displayName?: string;
-    forgotPasswordFunctionEnabled?: boolean;
-}
diff --git a/libs/red-ui-http/src/lib/model/models.ts b/libs/red-ui-http/src/lib/model/models.ts
index 15132039e..676bc8fd5 100644
--- a/libs/red-ui-http/src/lib/model/models.ts
+++ b/libs/red-ui-http/src/lib/model/models.ts
@@ -3,10 +3,8 @@ export * from './categoryModel';
 export * from './colors';
 export * from './digitalSignature';
 export * from './digitalSignatureViewModel';
-export * from './generalConfigurationModel';
 export * from './idRemoval';
 export * from './imageRecategorizationRequest';
 export * from './placeholdersResponse';
 export * from './rules';
-export * from './smtp-configuration';
 export * from './watermarkModel';
diff --git a/libs/red-ui-http/src/lib/model/smtp-configuration.ts b/libs/red-ui-http/src/lib/model/smtp-configuration.ts
deleted file mode 100644
index cc2cf9a33..000000000
--- a/libs/red-ui-http/src/lib/model/smtp-configuration.ts
+++ /dev/null
@@ -1,27 +0,0 @@
-/**
- * API Documentation for Redaction Gateway
- * Description for redaction
- *
- * OpenAPI spec version: 1.0
- *
- *
- * NOTE: This class is auto generated by the swagger code generator program.
- * https://github.com/swagger-api/swagger-codegen.git
- * Do not edit the class manually.
- */
-
-export interface SMTPConfiguration {
-    auth?: boolean;
-    envelopeFrom?: string;
-    from?: string;
-    fromDisplayName?: string;
-    host?: string;
-    id?: string;
-    password?: string;
-    port?: number;
-    replyTo?: string;
-    replyToDisplayName?: string;
-    ssl?: boolean;
-    starttls?: boolean;
-    user?: string;
-}