diff --git a/lib/services/email-service.ts b/lib/services/email-service.ts
index 8e6bb09c..92e8e868 100644
--- a/lib/services/email-service.ts
+++ b/lib/services/email-service.ts
@@ -1379,4 +1379,50 @@ export async function testEmailConnection(credentials: EmailCredentials): Promis
       error: `IMAP connection failed: ${error instanceof Error ? error.message : 'Unknown error'}`
     };
   }
+}
+
+/**
+ * Force recaching of user credentials
+ * This function is used to refresh credentials in Redis cache
+ */
+export async function forceRecacheUserCredentials(userId: string): Promise<boolean> {
+  try {
+    // Get credentials from database
+    const accounts = await prisma.mailCredentials.findMany({
+      where: { userId }
+    });
+    
+    if (!accounts || accounts.length === 0) {
+      console.log(`No email accounts found for user ${userId}`);
+      return false;
+    }
+    
+    // Recache each account's credentials
+    for (const account of accounts) {
+      const credentials: EmailCredentials = {
+        host: account.host,
+        port: account.port,
+        email: account.email,
+        password: account.password,
+        secure: account.secure,
+        smtp_host: account.smtp_host || undefined,
+        smtp_port: account.smtp_port || undefined,
+        smtp_secure: account.smtp_secure || undefined,
+        display_name: account.display_name || undefined,
+        color: account.color || undefined
+      };
+      
+      await cacheEmailCredentials(userId, account.id, credentials);
+      console.log(`Recached credentials for user ${userId}, account ${account.id}`);
+      
+      // Invalidate other caches related to this account
+      await invalidateFolderCache(userId, account.id, '*');
+      await invalidateEmailContentCache(userId, account.id, '*');
+    }
+    
+    return true;
+  } catch (error) {
+    console.error(`Error recaching credentials for user ${userId}:`, error);
+    return false;
+  }
 }
\ No newline at end of file