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503 5.5.2 Need Rcpt command

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503 5.5.2 Need Rcpt command - 23.Jan.2010 12:15:11 PM

ccc

Posts: 39
Joined: 21.Jan.2010
Status: offline

hi

I try to send a mail from Exchange 2003 using command line, but I'm getting this message:

telnet 192.168.0.3 25

220 mail.mydomain.net Microsoft ESMTP MAIL Service, Version: 6.0.3790.3959 ready at Sat, 23 Jan 2010 15:29:32 +0100
helo
250 mail.mydomain.net Hello [192.168.0.3]
mail from: administrator@mydomain.net
250 2.1.0 administrator@mail.mydomain.net....Sender OK
mail to: rcpt@mydomain.net
503 5.5.2 Sender already specified
data
503 5.5.2 Need Rcpt command.

What are Rcpt commands?

Post #: 1

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RE: 503 5.5.2 Need Rcpt command - 23.Jan.2010 12:55:35 PM

ccc

Posts: 39
Joined: 21.Jan.2010
Status: offline

rcpt to: rcpt@mydomain.net
500 5.3.3 Unrecognized command

Post #: 2

RE: 503 5.5.2 Need Rcpt command - 23.Jan.2010 2:08:28 PM

ccc

Posts: 39
Joined: 21.Jan.2010
Status: offline

it seems to be Relay Problem:

rcpt to: rcpt@mydomain.net
550 5.7.1 Unable to relay for rcpt@mydomain.net

Post #: 3

RE: 503 5.5.2 Need Rcpt command - 26.Jan.2010 4:52:16 PM

uemurad

Posts: 8232
Joined: 7.Jan.2004
From: California, USA
Status: offline

Go back to your original post. You are attempting to Telnet from your Exchange server to a 192.168.x.x address. That means you are sending a message from your Exchange server to something inside your own network. What is that server? That is what is denying the relay.

Are you forwarding your outbound messages to a smarthost?

_____________________________

Regards,

Dean T. Uemura
Microsoft MVP - Exchange (2007-2011)
exchangeguy.blogspot.com
uemurad@yahoo.com

Post #: 4