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#1
March 17th, 2004, 06:28 PM
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Telnet MX query
Hi there,
I am trying to query hotmail's MX servers as I am having problems sending mail to hotmail addresses and they want me to run some tests on my server to try and determine the problem but all the telnet commands I know of to do this arent working on this version! Can someone tell me the commands to do this via telnet shell within SSH? When Im logged in via ssh, I type "telnet" which obviously loads telnet but the normal commands I know of arent working, such as telnet mx1.example.com smtp... I also tried... telnet;open;mx1.hotmail.com:25 and I got the error : Name or service not known mx1.hotmail.com:25: Unknown host Now is this the right command to query the mail servers from my server and this just means it cant find it? Or am I entering in the wrong code for an MX query? Thanks for your help! Bujo
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#2
March 18th, 2004, 08:29 AM
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Start a telnet session with the server using this commandline:
Code:
[14:08:24] root@users /root# telnet mx1.hotmail.com 25 220 mc1-f20.hotmail.com Microsoft ESMTP MAIL Service, Version: 5.0.2195.6824 ready at Thu, 18 Mar 2004 06:25:10 -0800 Once connected as shown above - ie wait until you see the 220... welcome banner line - the most basic conversation you need to enter is: Code:
HELO example.com MAIL FROM: <someuser@example.com> RCPT TO: <someuser@hotmail.com> DATA Hi, This is a test email . The single period/dot mark signifies the end of the DATA section of the conversation, at which point you should be informed of the status of the transfer - whether it succeeded and was queued or whether it failed and was rejected. This is all covered in RFC2821 - it's actually not that hard to read if you spare the time. :P
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