Mark, The sender doesn't receive any error mesage!! The e-mail just doesn't arrive!! Thanks Leomar Lima Brazil +55 54 2237844 [Leomar Lima] -----Mensagem original----- De: Mark Fugatt [mailto:mark@xxxxxxxxx] Enviada em: terça-feira, 3 de setembro de 2002 18:07 Para: [ExchangeList] Assunto: [exchangelist] RE: Exchange behind ISA http://www.MSExchange.org/ Leomar Could you post what the actual error message is the sender is getting back? Thanks 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: Leomar Lima [mailto:leomar@xxxxxxxxxxxxxxx] Sent: Tuesday, September 03, 2002 5:09 PM To: [ExchangeList] Subject: [exchangelist] Exchange behind ISA http://www.MSExchange.org/ Hi I placed my Exchange 2000 server on the intranet, protected by the ISA server, and I created server publishing rules to allow the e-mail server to be published to the internet. The outgoing e-mail works fine, but de incoming e-mail not. What is happenig? Leomar Lima Brazil +55 54 2237844