From afc405ec028ac9d7333a7817c49f1232278fc28b Mon Sep 17 00:00:00 2001
From: Dries Augustyns <inbox@driaug.com>
Date: Wed, 24 Dec 2025 12:14:39 +0100
Subject: [PATCH] feat: Add plus address check to /v1/verify

---
 apps/api/src/services/EmailVerificationService.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/apps/api/src/services/EmailVerificationService.ts b/apps/api/src/services/EmailVerificationService.ts
index 13e280d..9139fa0 100644
--- a/apps/api/src/services/EmailVerificationService.ts
+++ b/apps/api/src/services/EmailVerificationService.ts
@@ -7,6 +7,7 @@ export interface EmailVerificationResult {
   valid: boolean;
   isDisposable: boolean;
   isTypo: boolean;
+  isPlusAddressed: boolean;
   domainExists: boolean;
   hasMxRecords: boolean;
   suggestedEmail?: string;
@@ -27,6 +28,7 @@ export class EmailVerificationService {
       valid: true,
       isDisposable: false,
       isTypo: false,
+      isPlusAddressed: false,
       domainExists: false,
       hasMxRecords: false,
       reasons: [],
@@ -46,6 +48,9 @@ export class EmailVerificationService {
     // MailChecker.isValid returns false for disposable emails
     result.isDisposable = disposable.validate(domain);
 
+    // Check for plus addressing
+    result.isPlusAddressed = emailParts[0]!.includes('+');
+
     // Check for common typos and suggest corrections
     const typoCheck = run({email});
     if (typoCheck && typoCheck.address && typoCheck.address !== email) {