I did think about this for a second, Wiestse Venema. Wouldn't my server just reject those emails if they did try to send via other smtp servers outbound? Those hosts/senders are auto rejected since my restrictions reject everyone but my domain
On Sun, Mar 30, 2014 at 4:51 PM, Wietse Venema [via Postfix] < ml-node+s1071664n6650...@n5.nabble.com> wrote: > cybermass: > > Ok the user's emails should not go through any other servers out on the > > internet to reach mine. Meaning their emails are sent directly within > the > > server. so if [hidden > > email]<http://user/SendEmail.jtp?type=node&node=66500&i=0>sends to [hidden > email] <http://user/SendEmail.jtp?type=node&node=66500&i=1>, nobody else > > should be able to read that email, no ISP, or any system. I understand > how > > normal emails work. from yahoo to gmail. the yahoo servers hop through > to > > get to gmail. since my server is only 1 box and the users are local > users, > > (only one domain in the virtual domains table), then is this email sent > > within the server or does it hop from the client's internet connection > to > > get to my server? > > If the sending user has an account on your mail server, then that > user would have to configure their email client to deliver their > email submission directy to your mail server. > > If the sending user has email accounts on more than one server > (e.g., gmail and hotmail and your server) then they may very well > try to submit mail via their hotmail account, even if they intend > to send mail to someone on your mail server. > > Wietse > > > ------------------------------ > If you reply to this email, your message will be added to the discussion > below: > > http://postfix.1071664.n5.nabble.com/Unclear-of-smtp-protocol-in-a-restricted-domain-tp66494p66500.html > To unsubscribe from Unclear of smtp protocol in a restricted domain, click > here<http://postfix.1071664.n5.nabble.com/template/NamlServlet.jtp?macro=unsubscribe_by_code&node=66494&code=Y3liZXJtYXNzcHJvZHVjdGlvbmNlbnRlckBnbWFpbC5jb218NjY0OTR8NTE3NzI5OTA0> > . > NAML<http://postfix.1071664.n5.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml> > -- View this message in context: http://postfix.1071664.n5.nabble.com/Unclear-of-smtp-protocol-in-a-restricted-domain-tp66494p66503.html Sent from the Postfix Users mailing list archive at Nabble.com.