/* HINT: Search archives @ http://www.indyramp.com/masq/ before posting! /* ALSO: Don't quote this header. It makes you look lame :-) */ On Mon, 17 Jul 2000, Jose M. Sanchez wrote: > This shouldn't surprise you! > > If you've set up the firewall properly, you'll only be forwarding SMTP > requests into the mail server, not other services such as telnet and ping. I'm not trying to telnet into the mail server I'm using telnet to try to connect to port 25 of the mail server. But still why is it that I can ping the mail server throught the firewall in the test configuration? > Why don't you try connecting to the mail server from an external (internet) > linux box and use sendmail to debug what is happening... > > I.E. from another linux box... > > sendmail -d8.3 -v [EMAIL PROTECTED] < /dev/null > > And see if it suceeds. If it does, your Firewall is set up properly. > > If not, examine your port forwarding rules. OK I tried that on a Mandrake 7.1b machine and I got: $ sendmail -d8.3 -v [EMAIL PROTECTED] < /dev/null Warning: .cf file is out of date: sendmail 8.10.1 supports version 9, .cf file is version 8 dns_getcanonname(hopkins.edu, trymx=1) getmxrr(external.edu, droplocalhost=1) [EMAIL PROTECTED] Connecting to external2.edu. via smtp... 220 external2.edu ESMTP Sendmail 8.9.3/8.9.3; Tue, 18 Jul 2000 17:32:04 -0400 >>> EHLO external.edu 250-external2.edu Hello external.edu [162.129.29.55], pleased to meet you 250-EXPN 250-VERB 250-8BITMIME 250-SIZE 250-DSN 250-ONEX 250-ETRN 250-XUSR 250 HELP >>> MAIL From:<[EMAIL PROTECTED]> 250 <[EMAIL PROTECTED]>... Sender ok >>> RCPT To:<[EMAIL PROTECTED]> 250 <[EMAIL PROTECTED]>... Recipient ok >>> DATA 354 Enter mail, end with "." on a line by itself >>> . 250 RAA32101 Message accepted for delivery [EMAIL PROTECTED] Sent (RAA32101 Message accepted for delivery) Closing connection to external2.edu. >>> QUIT 221 external.edu closing connection But the message never arrived at my account on hopkins.edu -Claudius _______________________________________________ Masq maillist - [EMAIL PROTECTED] Admin requests can be handled at http://www.indyramp.com/masq-list/ -- THIS INCLUDES UNSUBSCRIBING! or email to [EMAIL PROTECTED] PLEASE read the HOWTO and search the archives before posting. You can start your search at http://www.indyramp.com/masq/ Please keep general linux/unix/pc/internet questions off the list.
