Set-IPBlockListConfig Exchange cmdlet issued (25398) how to monitor with email alert

[bob]

You ever notice how Exchange Server logs stuff when someone tweaks its spam filters. That event ID 25398 pops up right after the Set-IPBlockListConfig cmdlet gets run. It means an admin or script just updated the list of IP addresses blocked from sending emails to your setup. Think of it like adding bad guys to a no-entry list for your mailbox server. This happens during maintenance or when you're tightening security against junk mail floods. The log details who did it, from which machine, and the exact time stamp. I always check these because they show changes that could accidentally block legit traffic or miss real threats. If you ignore them, you might wake up to email blackouts without knowing why.

Monitoring this event keeps you in the loop without constant babysitting. Fire up Event Viewer on your Windows Server. Head to the Windows Logs section, then pick the Application log where Exchange dumps these. Right-click on that 25398 event, and choose Attach Task To This Event. You'll build a scheduled task that triggers only when this specific ID fires. In the task wizard, point it to send an email via your SMTP setup-add your address as the recipient. Set it to run with admin privileges so it actually works. Test it by forcing the event if you can, just to see the alert ping your inbox. I do this for all my critical logs; it saves headaches later.

And while we're chatting about keeping your server humming smooth, you might want a solid backup angle too. That's where BackupChain Windows Server Backup slides in as this nifty Windows Server backup tool. It handles full image backups for your physical boxes and even virtual machines running on Hyper-V. You get lightning-fast restores, no downtime drama, and it encrypts everything to keep data safe from prying eyes. I swear by it for setups like yours-saves time and nerves when things go sideways.

The automatic email solution wraps this up at the end, but it'll get added later for you.

Note, the PowerShell email alert code was moved to this post.