> Yes. But, are you sure the problem is the mail header and not the > MAIL FROM command?
No, I'm not sure. However, considering some servers will also reject mail where the From: header domain is inconsistent with envelope hostnames, I suppose it doesn't matter. Either way, I need postfix to somehow get the external IP address, and use it (certainly on the EHLO and MAIL FROM domain, and perhaps sometimes do a substitute the From: domain)
