mouss schrieb: > [EMAIL PROTECTED] wrote: >> Hi, >> >> i have a problem with stopping spams. The situation is this. Spammers >> are using our domains to send spam to us. This is one of the example: >> ... >> How can i solve this problem at all? >> > > > smtpd_recipient_restrictions = > permit_mynetworks > permit_sasl_authenticated > reject_unauth_destination > check_sender_access hash:/etc/postfix/access_sender > ... > > == access_sender > mydomain.example REJECT blah blah > ...
But please note that this won't stop the following obfuscation: HELO spammer.remote.tld MAIL FROM:<[EMAIL PROTECTED]> RCPT TO:<[EMAIL PROTECTED]> DATA From: [EMAIL PROTECTED] Subject: lala blubb bla . QUIT
