sammy
05-31-2002, 07:40 PM
Hi,
I have two exchange server in DMZ, 10.10.10.10 with MX record mail.abc.com with legal address 200.200.200.200, other is 10.10.10.20 with MX record mail.def.com with legal address 200.200.200.210, they work fine for sending and reciving emails for outside world, but the users from both domain abc.com and def.com they can not send email to each other, they get NDR 550 <user@abc.com> relaying is not allowed. any help will be appreciated.
I have two exchange server in DMZ, 10.10.10.10 with MX record mail.abc.com with legal address 200.200.200.200, other is 10.10.10.20 with MX record mail.def.com with legal address 200.200.200.210, they work fine for sending and reciving emails for outside world, but the users from both domain abc.com and def.com they can not send email to each other, they get NDR 550 <user@abc.com> relaying is not allowed. any help will be appreciated.