Re: Disable sending mails via telnet

2012-01-23 Thread Leslie León Sinclair
Problem solved. Using smtpd_sender_login_maps and pcre with domain checking against logged user... Thanks for the help. Regards to all... Participe en Universidad 2012, del 13 al 17 de febrero de 2012. Habana, Cuba: http://www.congresouniversidad.cu Consulte la enciclopedia colaborativa

Re: Disable sending mails via telnet

2012-01-12 Thread Bill Cole
On 10 Jan 2012, at 16:56, Dennis Carr wrote: On Tue, 10 Jan 2012, Leslie León Sinclair wrote: Can anyone point me in the right direction, I´m stucked here and Google is not helping... If you mean the act of disabling the ability of using a telnet client to connect to port 25, you're best

Re: Disable sending mails via telnet

2012-01-12 Thread Wietse Venema
Bill Cole: On 10 Jan 2012, at 16:56, Dennis Carr wrote: If you mean the act of disabling the ability of using a telnet client to connect to port 25, you're best not doing this - or, just set any session timeouts to something short to prevent manual interaction. I hope that is simply an

Re: Disable sending mails via telnet

2012-01-11 Thread Leslie León Sinclair
I´m testing a server, so I need to unable people[users], to connect via telnet[smtp.mydomain.com:25] to the mail server. 2012/1/10 Leslie León Sinclair les...@electrica.cujae.edu.cu: Can anyone point me in the right direction, I´m stucked here and Google is not helping... define telnet

Re: Disable sending mails via telnet

2012-01-11 Thread Leslie León Sinclair
Telnet the protocol in port 25... On Tuesday, January 10, 2012, 16:45:25, Leslie León Sinclair wrote: Can anyone point me in the right direction, I´m stucked here and Google is not helping... TELNET the Protocol or a telnet client? Participe en Universidad 2012, del 13 al 17 de

Re: Disable sending mails via telnet

2012-01-11 Thread Leslie León Sinclair
Sorry my mistake, I´m punishing myself right now, by the way I asked here in the list, but I was tired dealing with this problem. Reading yesterday´s mail now... I feel like a barbarian... It´s not gonna happen again, or at least, I will try. Good day to all... Welcome to the postfix-users

Re: Disable sending mails via telnet

2012-01-11 Thread Wietse Venema
Leslie Le?n Sinclair: I?m testing a server, so I need to unable people[users], to connect via telnet[smtp.mydomain.com:25] to the mail server. So it is OK if they connect to your server with netcat, openssl s_client, any script written in Perl, Python, PHP, Javascript, with a real email client,

Re: Disable sending mails via telnet

2012-01-11 Thread /dev/rob0
[ top-posting fixed, please do not do that here ] On Wednesday 11 January 2012 07:23:46 Leslie León Sinclair wrote: On Tuesday, January 10, 2012, 16:45:25, Leslie León Sinclair wrote: Can anyone point me in the right direction, I´m stucked here and Google is not helping... TELNET

Re: Disable sending mails via telnet

2012-01-11 Thread Leslie León Sinclair
First: I apology bellow about my yesterday´s behavior. My issue: I have a postfix[Debian] server, and it´s working nice, but I need to block people to send mails via telnet[telnet mydomain.com 25], everything is working nice and shiny, error/warning logs are empty, dovecot logging normal, no

RE: Disable sending mails via telnet

2012-01-11 Thread James Day
13:49 To: postfix-users@postfix.org Subject: Re: Disable sending mails via telnet First: I apology bellow about my yesterday´s behavior. My issue: I have a postfix[Debian] server, and it´s working nice, but I need to block people to send mails via telnet[telnet mydomain.com 25], everything

Re: Disable sending mails via telnet

2012-01-11 Thread Rod Dorman
On Wednesday, January 11, 2012, 08:58:40, James Day wrote: Just an idea, feel free to correct me. Is there some way within Postfix to implement a timeout on the SMTP conversation? there are numerous mumble_timeout parameters. Obviously a user typing HELO, MAIL FROM, RCPT TO etc will be a

Re: Disable sending mails via telnet

2012-01-11 Thread Dennis Carr
On Wed, 11 Jan 2012, Rod Dorman wrote: The suggested (i.e. SHOULD) SMTP timeouts are given in minutes. No human typing the commands is going to have any difficulty. Never underestimate the power (or lack thereof) of a hunt-and-pecker unfamiliar with coputers tasked with doing this. =)

Re: Disable sending mails via telnet

2012-01-11 Thread Dennis Carr
On Wed, 11 Jan 2012, Leslie León Sinclair wrote: I´m testing a server, so I need to unable people[users], to connect via telnet[smtp.mydomain.com:25] to the mail server. If you're testing it, your best bet is to either a) bring it up as long as you need to test it, and then shut it down when

Re: Disable sending mails via telnet

2012-01-10 Thread Jose Ildefonso Camargo Tolosa
2012/1/10 Leslie León Sinclair les...@electrica.cujae.edu.cu: Can anyone point me in the right direction, I´m stucked here and Google is not helping... define telnet here, do you mean: direct connection to port 25? or an *actual* telnet session (port 23). Ildefonso. Best regards.

Re: Disable sending mails via telnet

2012-01-10 Thread Dennis Carr
On Tue, 10 Jan 2012, Leslie León Sinclair wrote: Can anyone point me in the right direction, I´m stucked here and Google is not helping... If you mean the act of disabling the ability of using a telnet client to connect to port 25, you're best not doing this - or, just set any session

Re: Disable sending mails via telnet

2012-01-10 Thread Rod Dorman
On Tuesday, January 10, 2012, 16:45:25, Leslie León Sinclair wrote: Can anyone point me in the right direction, I´m stucked here and Google is not helping... TELNET the Protocol or a telnet client? -- r...@polylogics.com The avalanche has already started, it is too Rod Dorman

Re: Disable sending mails via telnet

2012-01-10 Thread Jeroen Geilman
On 01/10/2012 10:45 PM, Leslie León Sinclair wrote: Can anyone point me in the right direction, I´m stucked here and Google is not helping... Best regards. Participe en Universidad 2012, del 13 al 17 de febrero de 2012. Habana, Cuba: http://www.congresouniversidad.cu Consulte la enciclopedia

Re: Disable sending mails via telnet

2012-01-10 Thread Reindl Harald
Am 11.01.2012 00:53, schrieb Jeroen Geilman: On 01/10/2012 10:45 PM, Leslie León Sinclair wrote: Can anyone point me in the right direction, I´m stucked here and Google is not helping... Best regards. Participe en Universidad 2012, del 13 al 17 de febrero de 2012. Habana, Cuba:

Re: Disable sending mails via telnet

2012-01-10 Thread Jeroen Geilman
On 01/11/2012 01:10 AM, Reindl Harald wrote: Am 11.01.2012 00:53, schrieb Jeroen Geilman: On 01/10/2012 10:45 PM, Leslie León Sinclair wrote: Can anyone point me in the right direction, I´m stucked here and Google is not helping... Best regards. Participe en Universidad 2012, del 13 al 17

Re: Disable sending mails via telnet

2012-01-10 Thread Jerry
On Wed, 11 Jan 2012 01:10:56 +0100 Reindl Harald articulated: Upon subscribing, you should have received a message explaining how to ask for help, to wit: http://www.postfix.org/DEBUG_README.html#mail nice, but do you really think this page is matching for every question people have?

Re: Disable sending mails via telnet

2012-01-10 Thread Reindl Harald
Am 11.01.2012 01:26, schrieb Jeroen Geilman: On 01/11/2012 01:10 AM, Reindl Harald wrote: Am 11.01.2012 00:53, schrieb Jeroen Geilman: On 01/10/2012 10:45 PM, Leslie León Sinclair wrote: Can anyone point me in the right direction, I´m stucked here and Google is not helping... Best

Re: Disable sending mails via telnet

2012-01-10 Thread Reindl Harald
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

Re: Disable sending mails via telnet

2012-01-10 Thread 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

Re: Disable sending mails via telnet

2012-01-10 Thread Reindl Harald
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