Tom Browder: > On Aug 16, 2015 10:57 AM, "Wietse Venema" <wie...@porcupine.org> wrote: > > If this server will send mail directly to the internet, then myhostname > > should be a name that resolves to the internet IP address. > > Well, the only mail that should be sent is from or through the virtual > domains, all of which share the same IP address.
Pick one: 1) Receiving MTAs flag your email as suspicious, because the Postfix SMTP client announces itself with a bogus myhostname. 2) The Postfix SMTP client announces itself with a myhostname that resolves to the routable SMTP client's IP address. Your server, their rules. Wietse