Voytek Eymont:
>
> I'm setting up a mail server on a virtual server
>
> smtp banner is set to myhost.mydomain
>
> reverse dns resolves to the data centre IP address
>
> is that going to cause me problems in the future ?
Assuming that the Postfix machine is behind a NAT of some kind:
myhostname: use the name of the internal IP address
smtpd_banner: use the name of external IP address
smtp_helo_name: use the name of external IP address
Don't listen to people who say use myhostname in smtpd_banner.
Wietse
