yes, i was able to resolve this and it just happened that i diabled the Mailguard feature which is on by default on all cisco firewalls, and since then it worked like a charm.



On 5/30/06, Dewain Riddle <[EMAIL PROTECTED]> wrote:
Stanley - were you able to resolve this?



Stanley Robins wrote:
> Hi when i telnet into my mail server from any ip like
>
> telnet mail.mydomain.net < http://mail.mydomain.net> 25
>
> it shows
>
> 220 *******************************************
> ehlo me
> 502 unimplemented (#5.5.1)
>
> what is wrong ???
>
>
>
>
> On 5/15/06, *Stanley Robins* <[EMAIL PROTECTED]
> <mailto: [EMAIL PROTECTED]>> wrote:
>
>     The message could not be sent because one of the recipients was
>     rejected by the server. The rejected e-mail address was '
>     [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>'. Subject
>     'aersdfsd', Account: 'Qmail - server ', Server: '
>     mail.mydomain.com <http://mail.mydomain.com>', Protocol: SMTP,
>     Server Response: '553 sorry, that domain isn't in my list of
>     allowed rcpthosts (#5.5.3 - chkuser)', Port: 25, Secure(SSL): No,
>     Server Error: 553, Error Number: 0x800CCC79
>
>     I am able to send email from my squirrelmail, and i am also able
>     to send emails if i have setup relay from ipaddress in tcp.smtp
>     but when i am sending emails to from any other ip address with
>     authentication enabled in outlook express i am unable to send
>     email and i get this error..
>
>     what has gone wrong ???
>
>
>
>

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