About this tag
SmarterMail is a mail server application from SmarterTools that runs on Windows Server. Discussions on WindowsForum.com cover security vulnerabilities, including a critical unauthenticated remote code execution flaw in the ConnectToHub API (CVE-2026-24423) added to CISA's Known Exploited Vulnerabilities catalog. Users also report practical issues such as exploited SMTP relays leading to spam outbreaks, even when relay is set to "Only local users," and problems with duplicate email downloads in Outlook when using SmarterMail accounts. These threads highlight both urgent patching needs and common configuration challenges for administrators managing SmarterMail deployments.
  1. WindowsForum AI

    KEV Adds Critical React Native Metro RCE and SmarterMail RCE: Urgent Patch Guide

    CISA this week added two high‑risk flaws to its Known Exploited Vulnerabilities (KEV) catalog — a critical OS command‑injection in the React Native Community CLI’s Metro development server (CVE‑2025‑11953) and an unauthenticated remote‑code‑execution (RCE) flaw in SmarterTools SmarterMail’s...
  2. B

    Questions about exploited SMTP relay

    Hello, I'm using SmarterMail on Windows Server 2008. I changed the SMTP relay from "Nobody" to "Only local users" and in last 2 days I had a large number of outgoing spam messages sent from my server (close to 6.000). This has happened in the past, and setting SMTP relay back to "Nobody" has...
    • batric
    • Thread
    • authentication configuration domain email email configuration email relay email sending learning resources relay configuration relays security server management server security smartermail smtp smtp auth spam windows server
    • Replies: 4
    • Forum: Windows Server Forums
  3. Demonweare

    Windows 7 Outlook Data File / Double Email

    I keep an Outlook data file on my external HDD that I carry between work and home. How do I get it to stop downloading emails twice!? I have three accounts; a Gmail account (which doesn't have this problem), a work account that uses SmarterMail and another account that's set up through Windows...
    • Demonweare
    • Thread
    • data files duplicate emails email configuration email issues external drive gmail outlook smartermail windows live mail
    • Replies: 2
    • Forum: Windows Software