Am 18.03.2012 19:14, schrieb Rachid Abdelkhalak: > > Hello List, > > Can i force users to SMTP-Auth when they use SMTP commands (Telnet 25 port of > my server) to send emails from my > domain? > > If it's not possible, Is there any additional filters can i apply > authenticate users trying to use SMTP Commands to > send emails from the server using Telnet port 25?
there is simply no differnce between telnet and any other MUA you have restricted relay for authenticated users (hopefully or you should shut down the machine) or not, the MTA is not interested in which client submits a message
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