Ok, thanks to everyone for their helpful advice, were all valuable. I did some testing and I determined that if I configure the SMTP mail client on port 25 can send e-mails only for my domains. But if I connect to telnet on port 25 I can send emails to all the domains. I can stop this?
- smtp auth Fabrizio Monti
- Re: smtp auth Fabrizio Monti
- Re: smtp auth Jerry
- Re: smtp auth Wietse Venema
- Re: smtp auth Fabrizio Monti
- Re: smtp auth /dev/rob0
- Re: smtp auth Fabrizio Monti
- Re: smtp auth Patrick Ben Koetter
- Re: smtp auth Fabrizio Monti
- Re: smtp auth Simon B