You should also open ports 53/tcp and 53/udp for dns queries so one can find your mail server by checking MX record from your dns.
Best wishes, Pope ---- ----- Original Message ----- From: "wali" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, 29.November 2001 14:50 Subject: pix firewall and mail server > hi > i have a cisco pix firewall > and i only have a mail server(MS exchange) on nt server > and alot of workstations on nt workstation > i made a nating for the pcs to work in virtual ips > and only the mail server take a real ip(the traffic came to real and the > firewall pass it to the virtual) > and i only want the out side traffic came to mail ports only > so i opened the 25 tcp port and close any comming other ports > but the servr stop to recieve mails > wahen i allow all traffic on except icmp it works > is there any other ports should be open to allow the mail server to = > recieve mails > >
