David Aspinall writes: 

> this is odd, but because I am local I can still go ahead and send a MAIL 
> FROM: and RCPT TO: commands and the mail is relayed out.  From our remote 
> site: 
> 
> [apple1:~] davida% telnet mail.ipcc.ca 25
> Trying 207.219.210.156...
> Connected to mail.ipcc.ca.
> Escape character is '^]'.
> 220 ******************
> EHLO www.ticoon.com
> 502 ESMTP command error
> HELO www.ticoon.com
> 250-mail.ipcc.ca Ok.
> 250-AUTH PLAIN LOGIN CRAM-MD5
> 250-AUTH=PLAIN LOGIN CRAM-MD5 X-NETSCAPE-HAS-BUGS
> 250-XVERP=Courier
> 250-XEXDATA
> 250-XSECURITY=NONE,STARTTLS
> 250-PIPELINING
> 250-8BITMIME
> 250-SIZE
> 250 DSN
> AUTH PLAIN
> 502 ESMTP command error
> AUTH LOGIn
> 502 ESMTP command error
> MAIL FROM:<[EMAIL PROTECTED]>
> 250 Ok.
> RCPT TO:<[EMAIL PROTECTED]>
> 513 Relaying denied. 
> 
> I don't understand why the EHLO fails on the remote connection, why the 

You have a stupid firewall that screws around with SMTP sessions.  The 220 
response is not coming from Courier. 


-- 
Sam 



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