diff --git a/public/fs/etc/postfix/main.cf.in b/public/fs/etc/postfix/main.cf.in index 6163967..60cf63d 100644 --- a/public/fs/etc/postfix/main.cf.in +++ b/public/fs/etc/postfix/main.cf.in @@ -65,6 +65,13 @@ smtpd_tls_CAfile = /etc/easy-rsa/pki/ca.crt smtpd_relay_restrictions = permit_mynetworks, permit_tls_all_clientcerts, reject_unauth_destination smtpd_recipient_restrictions = permit_mynetworks, permit_tls_all_clientcerts, reject_unauth_destination +smtpd_helo_required = yes +smtpd_helo_restrictions = permit_mynetworks, + permit_tls_all_clientcerts, + reject_invalid_helo_hostname, + reject_unknown_helo_hostname, + reject_non_fqdn_helo_hostname + meta_directory = /usr/lib/postfix setgid_group = maildrop newaliases_path = /usr/bin/newaliases