Postfix as a send-only SMTP relay

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Revision as of 17:59, 10 November 2019 by Verbovet (talk | contribs)
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  • # mkdir -p /etc/postfix/sasl
  • Add the following parameters to the end of /etc/postfix/main.cf:

myhostname = localhost.example.com
inet_interfaces = loopback-only
mynetworks = 127.0.0.0/8
relayhost = [smtp.example.net]:587
smtp_sasl_auth_enable = yes
smtp_sasl_security_options = noanonymous
smtp_sasl_password_maps = hash:/etc/postfix/sasl/sasl_passwd
smtp_tls_security_level = may
smtp_tls_CAfile = /etc/ssl/certs/ca-certificates.crt
sender_canonical_maps =  regexp:/etc/postfix/sender_canonical_maps









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