[email protected]:
> I decided to change the /etc/hostname to bob.example.com (previously
> example.com) in order to conform more closely with the document.
>
> http://www.postfix.org/STANDARD_CONFIGURATION_README.html
>
> I didn't think I really needed to have a hostname, because why
> would a single machine need to have a second name (other than the
> domain). but ti did seem to create some wacky defaults in the
> main.cf when the postfix package was installed.
You don't need a name to receive mail, but you certainly need
one to send mail directly to the Internet.
Wietse
> But the smtp_banner worries me. I want this machine to send and
> receive mail from a multitude of domains that I own (basically one
> for each of my hobbies, and a family page for a friend of the
> family).
>
> smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)
>
> Since $myhostname is bob.example.com and it's mandatory that it
> be included, would it be suspicious to the sender that mail being
> directed to example.org be greeted with a smtpd_banner announcing
> example.com. Does anybody check for this? What does the sender
> do with the hostname once it has it?
>
>