[no subject]

Jun 4 11:22:30 srv sendmail[14191]: h54IM9m14191: ruleset=check_mail, 
arg1=<my@xxxxxxxx>, relay=[142.32.11.116], reject=501 5.1.8 <my@xxxxxxxx>... 
Domain of sender address my@xxxxxxxx does not exist
Jun 4 11:22:30 srv sendmail[14191]: h54IM9m14191: from=<my@xxxxxxxx>, 
size=641, class=0, nrcpts=0, proto=ESMTP, daemon=MTA, relay=[142.32.11.116]

Here is the error message that I am getting back from the mail server in 
response to the email I am sending as a test:

-----

The original message was received at Tue, 3 Jun 2003 12:09:19 -0700
from pipe.bcsc.gov.bc.ca [142.32.11.55]

   ----- The following addresses had permanent fatal errors -----
<sales@xxxxxxxxxxxxxxxxxxxx>
    (reason: 501 5.1.8 <my@xxxxxxxx>... Domain of sender address my@xxxxxxxx 
does not exist)

   ----- Transcript of session follows -----
... while talking to mail.domaininquestion.com.:
>>>MAIL From:<my@xxxxxxxx> SIZE=645 RET=FULL
<<< 501 5.1.8 <my@xxxxxxxx>... Domain of sender address my@xxxxxxxx does not 
exist
501 5.6.0 Data format error


-----

If anyone can help I would greatly appreciate it. Please and thank you.

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