[Exim] open relay

Hi All,

Looks like my adsl proviuder has banned my ip from their smtp server.

(which i still use now anad again) as I am open relay..

This was news to me, so i quickly checked...
501 test: sender address must contain a domain
250 <test@???> is syntactically correct
550 relaying to <test@???> prohibited by administrator

Looks like im not open relay to me..or am I mistaken ?

THe relaying prohibvited line happened after the rcpt to: but the mail
from: let me put anything in...


Sigh

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Oh btw, using exim 3 not 4 :)