Andrzej Adam Filip wrote: > > The core challange in such aproach is to standardize way of blocking > messages from DUL ranges *in SMTP session* that gives sending MTA a > chance to use fallback relay (smarthost provided by ISP). > > One suggested approach was to use "in greeting message" 5?? reject. > It makes *sendmail* "as it is" use fallback relays. > Yes, but of course this blocking happens at the MTA level, my mailserver for incoming mail is not allowed outgoing SMTP (I hate bounces/doublebounces etc so also the recipient-address is checked at MTA-level). So for example these lines are in my log: Aug 2 11:23:32 server postfix/smtpd[1224]: NOQUEUE: reject: RCPT from 84-75-0-121.dclient.hispeed.ch[84.75.0.121]: 554 <84-75-0-121.dclient.hispeed.ch[84.75.0.121]>: Client host rejected: dclient.hispeed.ch no direct mail allowed, please send via your provider-mailserver smtp.hispeed.ch; from=<[EMAIL PROTECTED]> to=<xxx> proto=SMTP helo=<84-75-0-121.dclient.hispeed.ch>
Regards Menno van Bennekom -- View this message in context: http://www.nabble.com/What-changes-would-you-make-to-stop-spam----United-Nations-Paper-tf2035870.html#a5611498 Sent from the SpamAssassin - Users forum at Nabble.com.
