I have after 2 weeks of work(so I am not very clever) a Postfix server .
Thank you for your tutorials and I want to thank especialy to FALKO.
How can I have default users who cannot send external mails and how to set in main.cf users who have this rights?
Who can help me?I migrate from qmail cause I didn't succed there to make that diffrence to posfix wich I belive have more stuff built in...
I read and I tryed from :http://www.postfix.org/RESTRICTION_CLASS_README.html
to understand how to Restricting what users can send mail to off-site destinations BUT I am NOT too clever so ...
Thank you for those who will give me attention.