I think part of the issue is that the IMail server is still publicly available via SMTP, so spammers can still send through it even though it's not listed in DNS as an MX.
Darin. ----- Original Message ----- From: "E. Shanbrom (Ipswitch)" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Friday, March 11, 2005 1:08 PM Subject: Re: [IMail Forum] Need Help Preventing Connections Use the relay for addresses and put the Barracuda address in there. MAKE SURE the Barracuda machine will only forward mail destined for your domain(s) or you WILL end up an open relay as IMail will relay for anything coming from the Barracuda. Eric S ----- Original Message ----- From: "Grant Griffith - IMail" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Friday, March 11, 2005 8:32 AM Subject: [IMail Forum] Need Help Preventing Connections > Hey All, > > We have a Barracuda Firewall in front of our Imail server and I want to > setup Imail so that only Authenticated users and the Barracuda can connect > to Imail and send messages. How do I go about setting this up in Imail? Do > I need to Deny Access to everyone except my barracuda in the Control Access > area in SMTP security? Does that still allow my users to authenticate and > send messages? > > Thanks all for any help. I am just trying to stop all the DOS Attacks we > have been getting. > > > Thanks, > Grant Griffith > EI8HT LEGS, A Division of ETC > (877)483-3393 > (812)933-5390 > > > > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html > List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
