Hello, have you tried this? http://support.ipswitch.com/kb/IM-20031209-DM01.htm
If you use the POP3 Connector from small business server, you could deny all incomming SMTP, if you forward your mail, you must allow smtp from your server. If you run ISA, there must be a rule allowing incomming smtp to the Exchange (Servername/Publishing/Server Publishing Rule), here you can define it to accept only your IP. And if the Exchange runs in Native Mode, it must be Exchange 2000 or 2003 :) Alex > -----Original Message----- > From: Dan Barker [mailto:[EMAIL PROTECTED] > Sent: Wednesday, November 17, 2004 1:16 PM > To: [EMAIL PROTECTED] > Subject: [IMail Forum] OT Exchange question > > A good friend of mine runs a small business behind Microsoft > Small Business > Server, which includes Exchange for email service. He was > getting hundreds > of spams per day. > > I changed his MX records to point to my server (Imail) > priority 5, and his > server as priority 10. My IMail server vets the email with > SpamAssassin > (http://www.visioncomm.net/sac) and if clean, forwards it to > his Exchange, > otherwise, it remains on my box for research purposes (via Webmail). > > The spam continued, and my server was NOT in the headers. > > I removed the MX record for Exchange. > > The spam continued, and my server was NOT in the headers. > > Does anybody know how to configure Exchange 2J not to accept > inbound email > unless the sending server IP is 63.171.93.5? I know > veeeeeeerrrrry little > about Exchange. It's in Native mode, but I couldn't even find > the "About > Box" to report the version<g>. > > Dan > > > 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/
