On Tue, Feb 07, 2012 at 01:38:19PM +0000, Rachid Abdelkhalak wrote: > It is possible to tell to postfix to stop accept sending mails > from SMTP commands executed from a telnet server 25 ? > > Even if the mails are sent from or to relayed domain !!
What is the goal? If the goal is merely to distinguish between regular mailer software and someone sitting at a terminal using telnet(1) as a client, this is not possible. It is also silly to think you will gain anything from making that distinction. There was a recent thread on this list about this: January or December. -- http://rob0.nodns4.us/ -- system administration and consulting Offlist GMX mail is seen only if "/dev/rob0" is in the Subject:
