Hello. In lasts days one spammer had fun with my email address sending me hundresds of emails, most of them rejected by postfix anti-spam measures, but not all.
I will explain the spammer send from internet (without authentication): from: websurfer at navegants.com to: websurfer at navegants.com I have saslauthd running ok, and noboby can send outside the network without auth (except localhost), but....Do I need something for that one IP from internet can't send email "from me to me" without authentication? Thanks Josep smtpd_recipient_restrictions = permit_mynetworks, reject_unauth_destination, reject_unauth_pipelining, check_recipient_access hash:/etc/postfix/recipient_checks, check_helo_access hash:/etc/postfix/helo_checks, check_helo_access hash:/etc/postfix/access_helo check_sender_access hash:/etc/postfix/sender_checks.domain, check_sender_access hash:/etc/postfix/sender_checks.email, check_client_access hash:/etc/postfix/client_checks, reject_unknown_sender_domain, reject_unknown_recipient_domain, reject_non_fqdn_sender , reject_non_fqdn_recipient, reject_multi_recipient_bounce, reject_unlisted_recipient, reject_unverified_recipient, permit_sasl_authenticated , check_policy_service unix:private/policy check_policy_service inet:127.0.0.1:60000 check_sender_access hash:/etc/postfix/verify_domain check_recipient_access hash:/etc/postfix/verify_user permit