varad gupta: > Hi All > > > We have a requirement where we need to reject senders if they are not > present in our ldap virtual domains. > > Scenario => > > postfix 2.5 with openLDAP (with various virtual domains) > > Problem Description => > > Unknown senders (mail ids that are not present in LDAP) are able to send > mails to recipients in these domains. (Relaying is blocked of course for > external domains) > > > Requirements => > > A user (not present in LDAP) should be blocked from sending mails. > > Challege => > > We cannot apply check_sender_access based on LDAP as that would lead genuine > mails from external domains also being rejected > > CAn you suggest a parameter which can accomplish this, or we need to write > our own policy for this ?
See: http://www.postfix.org/postconf.5.html#reject_unlisted_sender http://www.postfix.org/postconf.5.html#smtpd_reject_unlisted_sender Wietse
