chore: add new fetaure

src/modules/mail-server/DTO/domain-access.dto.ts

@@ -0,0 +1,38 @@
+import { ApiProperty, ApiPropertyOptional } from "@nestjs/swagger";
+import { IsNotEmpty, IsOptional, IsString } from "class-validator";
+
+export class CreateDomainAccessDto {
+  @ApiProperty({
+    description: "Domain name to add to the list",
+    example: "example.com",
+  })
+  @IsNotEmpty()
+  @IsString()
+  domain: string;
+
+  @ApiPropertyOptional({
+    description: "Optional description for this domain entry",
+    example: "Trusted business partner domain",
+  })
+  @IsOptional()
+  @IsString()
+  description?: string;
+}
+
+export class ListDomainAccessQueryDto {
+  @ApiPropertyOptional({
+    description: "Number of entries to return",
+    example: 20,
+    default: 20,
+  })
+  @IsOptional()
+  limit?: number;
+
+  @ApiPropertyOptional({
+    description: "Page number for pagination",
+    example: 1,
+    default: 1,
+  })
+  @IsOptional()
+  page?: number;
+}