Think about how SMTP works, and you'll get the answer. In other words, yes. Your primary rejects the message (or the connection in some cases), so the sending MTA correctly identifies that as a failure, and tries the next highest MX - in your case, your gateway.
I've got 4 external MX's with ascending preferences, and I start with the highest preference one to see what spammers are up to.. -------------------------------------------------------------- Roger D. Seielstad - MTS MCSE MS-MVP Sr. Systems Administrator Inovis Inc. > -----Original Message----- > From: Orin Rehorst [mailto:[EMAIL PROTECTED] > Sent: Thursday, July 31, 2003 6:34 PM > To: Exchange Discussions > Subject: SPAMERS hitting my second MX record? > > > I use eDoxs (3rd party company that identifies spam. They use > Brightmail). > > Getting a lot of spam, however. > > My first MX record is to dDoxs. My second is to my email > gateway, in case eDoxs is down. I'm wondering if spammers can > pick up on my second MX record and send directly to it. > > Please advise. > > TIA > > Regards, > Orin > > > > > _________________________________________________________________ > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > Web Interface: > http://intm-dl.sparklist.com/cgi-bin/lyris.pl?enter=exchange&t ext_mode=&lang=english To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED] _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Web Interface: http://intm-dl.sparklist.com/cgi-bin/lyris.pl?enter=exchange&text_mode=&lang=english To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED]
