Since a while now, i’ve been a huge fan of Solarwinds (http://www.solarwinds.com) before knowing and falling in love with Nagios (www.nagios.org). Well, this post isn’t to harp on the sexy Nagios but to talk about a quick monitoring tool for Exchange servers. Solarwinds released their … “Free Microsoft Exchange Monitor, by Solarwinds”

Hi, been a while since i wrote anything here. Anyway, here’s something i just had to share with my friends out there. If you are in a dire need of a DHCP server (i’m laughing at that statement too..), cause the main one crashed or … “Free DHCP Server”

This is one of the three part security auditing post for Exchange servers. Many implementers, system integrators, users and administrators implement Exchange servers as part of their collaboration infrastructure without knowing what’s going on in Exchange. For security conscious companies/people, its important to know that … “Monitoring Exchange Unauthorized Mailbox Access (Exchange 360degree monitoring) PART: 1”

TMNet’s Streamyx, as part of their antiflooding attempts of their service implements the blocking of port 25 which is commonly used for sending emails using SMTP for. As a streamyx user (non corporate/non fixed IP user), you may find this a nuisance especially if you … “Sending emails with streamyx (port 25 blocked by Streamyx)”

Lets face it, you can have a 100Mbps link to the WWW but it makes a huge performance (speed) impact if you have crappy DNS servers. This could mean DNS servers that are easily poisoned, DNS servers that are slow and DNS servers that are … “Free Internet Filter (and open & fast dns server)”

Had a client that was subjected to an open relay attack. In mere hours their Exchange 2007 was filled with not less than 100,000 outbound emails, indicating this server is a possible open relay. I though, i should try out the GUI to start cleaning … “Delete ALL SMTP Queues In Exchange 2007 (Quick and Dirty)”