3) You should get a spam solution that will do realtime recipient checking and 554 them during SMTP.
> -----Original Message----- > From: [EMAIL PROTECTED] [mailto:bounce- > [EMAIL PROTECTED] On Behalf Of East, Bill > Sent: Wednesday, December 19, 2007 4:03 PM > To: Exchange Discussions > Subject: Email philosophy 101 - Spam NDRs > > Let's say we get 1000 messages with invalid addresses into our spam > filter. > 950 of them will get caught as spam if we filter them. > 49 slip past the filter but shouldn't have. They're directory > harvesting > messages, invalid return addresses, and valid return addresses of > people > who didn't send the spam. > 1 is a message from one of our customers asking for directions, that he > fat-fingered to MemmerService > > Should we send NDRs on the 49 spammy ones so that the customer gets his > NDR? Or should we silently drop his message so that we're not sending > 49 > NDRs that we shouldn't? > > Please use a #2 pencil. > > > _________________________________________________________________ > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > Web Interface: http://intm-dl.sparklist.com/read/?forum=exchange > To subscribe: http://e-newsletters.internet.com/discussionlists.html/ > To unsubscribe send a blank email to leave-28404306- > [EMAIL PROTECTED] > Exchange List admin: [EMAIL PROTECTED] > To unsubscribe via postal mail, please contact us at: > Jupitermedia Corp. > Attn: Discussion List Management > 475 Park Avenue South > New York, NY 10016 > > Please include the email address which you have been contacted with. _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Web Interface: http://intm-dl.sparklist.com/read/?forum=exchange To subscribe: http://e-newsletters.internet.com/discussionlists.html/ To unsubscribe send a blank email to [EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED] To unsubscribe via postal mail, please contact us at: Jupitermedia Corp. Attn: Discussion List Management 475 Park Avenue South New York, NY 10016 Please include the email address which you have been contacted with.
