Re: Sendmail trouble with relaying

2003-11-01 Thread John Smith
On Sat, 2003-11-01 at 00:58, John Hasler wrote: > Erik Dörnbach wrote: > > How can I make sure the only hosts allowed to send in the name of > > "aaa.com" belong to a certain network/IP range? Guess I missed out a > > feature or something? > > That is exactly what Sender Permitted From is about.

Re: Sendmail trouble with relaying

2003-10-31 Thread John Hasler
Erik Dörnbach wrote: > How can I make sure the only hosts allowed to send in the name of > "aaa.com" belong to a certain network/IP range? Guess I missed out a > feature or something? That is exactly what Sender Permitted From is about. See http://spf.pobox.com/ -- John Hasler [EMAIL PROTECTED]

Re: Sendmail trouble with relaying

2003-10-31 Thread Todd Pytel
On Fri, 31 Oct 2003 16:11:24 +0100 Erik Dörnbach <[EMAIL PROTECTED]> wrote: > ...there are some guys using our server against us, > by simply opening an smtp connection to us, pretending to be > "[EMAIL PROTECTED]" and sending mail to "[EMAIL PROTECTED]" - sendmail > doesn't see this as a relay or