On 3/13/2009, George Forman (georgeforma...@hotmail.com) wrote: > The DNS record is hosted by primary A. Primary A determines if the > account is to be sent to secondary B (a Postfix MTA). When secondary > B, tries to deliver the mail via lmtp and lmtp rejects depositing the > mail message, a bounce message is generated. This bounce message must > be sent back to the primary A server. Primary A service must deliver > the bounce mail message. It cannot appear to come from the secondary > B service.
Under these conditions, Primary A MUST have a list of valid recipients, or, if this is impossible (not likely), then Secondary B MUST NOT bounce messages (this makes you a backscatter source). Fix the right problem. -- Best regards, Charles
