Am 11.01.2012 02:51, schrieb Jose Ildefonso Camargo Tolosa: >> for "disable sending mails via telnet" you will not find anything on the >> DEBUG-README and finally the OP has proved enough information to >> say: >> >> * he do not understand how smtp works >> * telnet does nothing other than any client >> >> so NO you can not disable sending mails with telnet except >> force using TLS > > TLS?... I would say: authentication (although TLS is good while using > auth). Even with TLS, if you are an open relay, you are an open relay > (also, forcing TLS will likely avoid you getting mails from some sites > that doesn't support TLS for smtp).
who speaks about an open relay? i answered how to prevent using a telnet client for smtp forcing the server only allow encrypted communication will stop "telnet youserver 25" and typing a mail i did never say that this makes sense but it is the answer to the question of this thread > But, here we are assuming "telnet to port 25", what if he/she means > "remote session", that'd be another issue. so what do you do after "telnet to port 25" if the server does not allow send unencypted messages -> exactly: nothing problem of the OP solved that he can no longer act as MX properly is another story
signature.asc
Description: OpenPGP digital signature
