Hi! We use James as mail server. Recently, we got emails sent from another domain. Then we got following error message. We do have registered domain name in our central DNS.
Does anyone know why? and how to check or fix? Many thanks, Lee ############################################################ From: Mail Delivery Subsystem [mailto:[EMAIL PROTECTED] Sent: 29 January 2007 15:11 To: [EMAIL PROTECTED] Subject: Returned mail: see transcript for details The original message was received at Mon, 29 Jan 2007 16:10:50 +0100 (CET) from vpn.xxx [ip number here] ----- The following addresses had permanent fatal errors ----- <[EMAIL PROTECTED]> (reason: 501 Sender domain must exist) ----- Transcript of session follows ----- ... while talking to jamesserver.com.:
MAIL From:<[EMAIL PROTECTED]> SIZE=2556 RET=FULL
<<< 501 Sender domain must exist 501 5.6.0 Data format error --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
