It's not your Exchange server if your MX record points to your FW. I telnetted to your MX and the connection failed...
-----Original Message----- From: Niki Blowfield [mailto:[EMAIL PROTECTED] Sent: Thursday, December 11, 2003 1:27 PM To: Exchange Discussions Subject: RE: SMTP mail not reaching Exchange Server Hi there Yeah, the public and private IPs/NAT are all setup as is port forwarding, has been working for ages, no idea why its stopped now I think over the weekend I'll move the Exchange Server outside the firewall and see what happens Anything I can check on the Exch server? thanks -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Martin Blackstone Sent: 11 December 2003 15:10 To: Exchange Discussions Subject: RE: SMTP mail not reaching Exchange Server I'm assuming the external interface on the SW has a public IP and the internal interface has a private IP and you are attempting to NAT you connection. In the Sonicwall, under the advanced setting, you should have it setup under one-to-one NAT the public/private translation for your Exchange server. Then under Access have a rule to allow port 25 to that private address. -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Niki Blowfield Sent: Thursday, December 11, 2003 2:48 AM To: Exchange Discussions Subject: SMTP mail not reaching Exchange Server Hi, Running MS Exchange Server 5.5 SP4 on Windows NT4 Single server environment, server sits on private address behind Sonicwall ProVX firewall Firewall forwards all SMTP to this server which has the IMC, has worked fine for a number of years Mail has stopped reaching mailboxes, and doesnt appear to be reaching the Exchange Server at all I would ordinarily suspect the firewall, but you can telnet to our mailserver successfully and send an email from there Our MX record points to mailgate.partition.co.uk which resolves to our Sonicwall ProVX Any ideas? I dont know a great deal about the Sonicwall I guess i could move the NT server temporarily to outside the firewall and give it the address of mailgate.partition.co.uk to see if i can eliminate the firewall Thanks Nik _________________________________________________________________ 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] _________________________________________________________________ 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] _________________________________________________________________ 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] _________________________________________________________________ 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]