<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><DIV><SPAN class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><DIV><BR class="khtml-block-placeholder"></DIV><DIV>Thanks, Brent -- I tried this, but still no dice. I didn't copy all of your directives, since there's no relay involved in our case, but I did make sure that the following 3 were enabled...</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV><SPAN class="Apple-tab-span" style="white-space:pre">       </SPAN>FEATURE(`allmasquerade')dnl</DIV><DIV><SPAN class="Apple-tab-span" style="white-space:pre">  </SPAN>FEATURE(`masquerade_entire_domain')dnl</DIV><DIV><SPAN class="Apple-tab-span" style="white-space:pre">       </SPAN>FEATURE(`masquerade_envelope')dnl</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>If sendmail doesn't have any sort of rewriting capability of messages, is there something somewhere outside of sendmail that I can set to get the envelope-from and from: line to change? (Besides changing the hostname...)</DIV><BR class="Apple-interchange-newline"></SPAN> </DIV><DIV>best,</DIV><DIV>Jeff</DIV></BODY></HTML>