Am 11.01.2012 03:04, schrieb Peter: > On 11/01/12 14:57, Reindl Harald wrote: >> problem of the OP solved >> that he can no longer act as MX properly is another story > > ...and the fact that openssh s_client gets around that block makes your > answer completely useless, even though it may be "technically correct". > > The correct answer is that you cannot block telnet access to port 25 > without also blocking incoming emails from other MTAs, and so you should > not try.
and you did notice my first reply? did you? >> 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
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