Email address (and user name to authenticate email) not matching the log in
user name, totally not spoofing in my book, and in fact can be ‘required’ by
some security guidelines. (You publicize your email address, it really
shouldn’t be part of your security credentials, that just vastly cuts do
HEllo.
Postfix on a local network without a real internet domain name.
The mail server is on a specific computer.
Outbound mail are delivery by using a relay [smtp.someISP.com] using tls on
port 465
Local mail stay on the server
Less than 40 users
In a company, a linux user (userA) need to send a
