understanding the logs

Hi, We had a user account hacked (weak password) and our SMTP server was used for sending spam. We discovered it after our mail server IP began to show up in RBLs. We improved the passwords, however the question is how best to watch the server in case a similar thing happens again. We created

Re: reject mail to undisclosed recipients and with "our" addresses in From:

On 13.07.2011, at 17:07, Victor Duchovni wrote: > On Wed, Jul 13, 2011 at 04:57:02PM +0200, Geert Mak wrote: > >> is it possible to reject/redirect on postfix level (to a spam catcher >> account we monitor) - >> >> - all mail sent to undisclosed recipients >

reject mail to undisclosed recipients and with "our" addresses in From:

Hello, is it possible to reject/redirect on postfix level (to a spam catcher account we monitor) - - all mail sent to undisclosed recipients - all mail sent with "our" addresses in From: but not originating from us (or mail server is in-house, one server with one IP) For the second case I rea