I'm trying to set up smtp_sender_dependent_authentication and am having trouble. Here are the relevant main.cf directives:
smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd smtp_sasl_security_options = smtp_generic_maps = hash:/etc/postfix/generic alias_database = hash:/etc/postfix/aliases smtp_sender_dependent_authentication = yes sender_dependent_relayhost_maps = hash:/etc/postfix/sender_relay smtp_tls_policy_maps = hash:/etc/postfix/tls_policy When I set peer level debugging = 2, there is no attempt to authenticate to the relay host. It simply tries to send mail which is rejected with a relay access denied error. What am I missing? Thanks.
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