IPSEC filter to block 25 outbound on SBS 2003 Standard
Today’s post come compliments of Mark Stanfill. This was a quick answer he did to a question a couple of us had, so while this isn’t a “documented” Microsoft solution I would take advantage of it if you are attempting to block SMTP traffic on your Small Business Server 2003 Standard based networks. The reason for this is to only allow outbound SMTP email from the server and blocking the clients of which may be sending out SPAM on TCP Port 25. Works on both Single and Dual NIC SBS boxes! Thanks go to Mark for giving me permission to … Continue reading IPSEC filter to block 25 outbound on SBS 2003 Standard