diff --git a/apps/api/src/services/__tests__/EmailService.test.ts b/apps/api/src/services/__tests__/EmailService.test.ts
index ececdbb..977a8b8 100644
--- a/apps/api/src/services/__tests__/EmailService.test.ts
+++ b/apps/api/src/services/__tests__/EmailService.test.ts
@@ -22,6 +22,13 @@ describe('EmailService', () => {
     const contact = await factories.createContact({projectId});
     contactId = contact.id;
 
+    // Create a verified domain for the project (required for sending emails)
+    await factories.createDomain({
+      projectId,
+      domain: 'example.com',
+      verified: true,
+    });
+
     // Mock successful SES send by default
     vi.mocked(sendRawEmail).mockResolvedValue({
       messageId: 'ses-message-123',
diff --git a/test/helpers/factories.ts b/test/helpers/factories.ts
index 5cf8dc0..f2eabb9 100644
--- a/test/helpers/factories.ts
+++ b/test/helpers/factories.ts
@@ -86,6 +86,13 @@ export interface WorkflowStepFactoryOptions {
   templateId?: string | null;
 }
 
+export interface DomainFactoryOptions {
+  projectId: string;
+  domain?: string;
+  verified?: boolean;
+  dkimTokens?: unknown;
+}
+
 export class TestFactories {
   private prisma: PrismaClient;
 
@@ -545,6 +552,20 @@ export class TestFactories {
       },
     });
   }
+
+  /**
+   * Create a domain
+   */
+  async createDomain(options: DomainFactoryOptions) {
+    return this.prisma.domain.create({
+      data: {
+        projectId: options.projectId,
+        domain: options.domain || 'example.com',
+        verified: options.verified ?? true,
+        dkimTokens: options.dkimTokens || null,
+      },
+    });
+  }
 }
 
 // Export lazy-initialized singleton instance