Its around the 700 - 1000 mark is I remember correctly, I would recommend looking at Block and Tackle from www.turbogeeks.com, its not that expensive and is very effective and also the Open Relay blocker from www.vamsoft.com Mark Fugatt Pentech Office Solutions Inc www.4mcts.com www.exchangetrainer.com Tel: 585 586 3890 Fax: 585 249 0316 Cell: 585 576 4750 Visit www.msexchange.org for valuable information about Microsoft Exchange -----Original Message----- From: SP Exadmin [mailto:sperops@xxxxxxxxx] Sent: Tuesday, November 19, 2002 9:47 PM To: [ExchangeList] Subject: [exchangelist] message filtering http://www.MSExchange.org/ Hi, One effective way of controlling spams without 3rd party wares is to include the domain name of the spam originator in the Exchange Message Filtering box. Can anyone tell me how big can this list grow in order that Exchange would still able to filter messages properly? I don't want to come into a situations where the list gets too large and the filtering no longer effective. Thanks. Rudi ---------------------------------------------------------------------------- -- Do you Yahoo!? Yahoo! Web Hosting - Let the expert host your site ------------------------------------------------------ List Archives: http://www.webelists.com/cgi/lyris.pl?enter=exchangelist Exchange Newsletters: http://www.msexchange.org/pages/newsletter.asp Exchange FAQ: http://www.msexchange.org/pages/larticle.asp?type=FAQ ---------------------- -------------------------------- ISA Server Resource Site: http://www.isaserver.org Windows Security Resource Site: http://www.windowsecurity.com/ Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com ---------------------------------------------------- -- You are currently subscribed to this MSExchange.org Discussion List as: mark@xxxxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub')