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dkim-sign domain example.org default dkim-keyfile /etc/pmta/dkim/example.org/default.pem dkim-identity @example.org dkim-sign dkim-sign-policy * { sign-control * dkim-sign(example.com) # Default } --------------------------- Authentication (SPF, Return-Path) --------------------------- auth-domain example.com # Bounce handling domain (different from sending domain) bounce-domain bounce.example.com bounce-address bounces@bounce.example.com spf-identity mfrom spf-pass-action none spf-fail-action tag auth-domain
virtual-mta gmail-pool smtp-service outbound source-ip 192.0.2.20 192.0.2.21 max-smtp-out 20 max-msg-rate 15000/h connect-timeout 45s use-starttls yes require-tls true domain-throttle gmail.com max-msg-rate 12000/h max-conn 12 virtual-mta sample powermta configuration file
domain-mapping yahoo.com { max-smtp-out 8 max-msg-rate 5000/h max-conn-per-domain 4 use-starttls yes require-tls false rcpt-to-nxdomain-limit 3 } dkim-sign domain example