Postfix attempts to be fast, easy to administer, and secure. The outside has a definite Sendmail-ish flavor, but the inside is completely different.
[email protected] <tab> [email protected] $root <tab> [email protected]
$postconf -e "sender_canonical_maps=hash:/etc/postfix/sender_canonical"
$systemctl restart postfix
IMPORTANT : In my enterprise the server is in DMZ, so i need to disable NAT when, DMZ > Trust.
Set with webmin > server > postfix > General Options
Set with webmin > server > postfix > Canonical Mapping
Entry for “tables for sender addresses” : hash:/etc/postfix/sender_canonical