Re: Blocking spam/address

2009-02-07 Thread Bill Weiss
Nandini Mocherla(nandini.moche...@sun.com)@Fri, Feb 06, 2009 at 09:49:53AM -0800: > Hi, > > I am new to postfix and thinking for a way to block the email address which > does not come from that domain. For example, if someone with a @xxx.com > email sends to a list it must come from a server in

Re: Blocking spam/address

2009-02-06 Thread Nandini Mocherla
As there is every possibility that spammers can also send with real user's id and I am planning to have a check that would be able to compare the From: and the Message-Id domains to check for spoofed messages coming in from an open relay. Its just an idea to eliminate every possible attack. A

Re: Blocking spam/address

2009-02-06 Thread Jorey Bump
Nandini Mocherla wrote, at 02/06/2009 12:49 PM: > I am new to postfix and thinking for a way to block the email address > which does not come from that domain. For example, if someone with a > @xxx.com email sends to a list it must come from a server in the xxx.com > domain else it should be rejec

Blocking spam/address

2009-02-06 Thread Nandini Mocherla
Hi, I am new to postfix and thinking for a way to block the email address which does not come from that domain. For example, if someone with a @xxx.com email sends to a list it must come from a server in the xxx.com domain else it should be rejected. Is it possible to do this?