diff -c -r inn-2.3.1/nnrpd/post.c inn-2.3.1-modified/nnrpd/post.c
*** inn-2.3.1/nnrpd/post.c	Mon Aug 21 02:14:43 2000
--- inn-2.3.1-modified/nnrpd/post.c	Fri Jan 19 16:44:13 2001
***************
*** 360,380 ****
  	/* If authorized and we didn't get a sender, add the header based on
  	 * our info.  If not authorized, zap the Sender so we don't put out
  	 * unauthenticated data. */
! 	if (PERMauthorized && HDR(_sender) == NULL) {
  	    if (PERMuser[0] == '\0') {
  		(void)sprintf(sendbuff, "%s@%s", "UNKNOWN", ClientHost);
  	    } else {
  		if ((p = strchr(PERMuser, '@')) == NULL) {
  		    (void)sprintf(sendbuff, "%s@%s", PERMuser, ClientHost);
  		} else {
! 		    *p = '\0';
! 		    (void)sprintf(sendbuff, "%s@%s", PERMuser, ClientHost);
! 		    *p = '@';
  		}
  	    }
  	    HDR(_sender) = sendbuff;
  	}
! 	else if (!PERMauthorized)
  	    HDR(_sender) = NULL;
      }
  
--- 360,378 ----
  	/* If authorized and we didn't get a sender, add the header based on
  	 * our info.  If not authorized, zap the Sender so we don't put out
  	 * unauthenticated data. */
! 	if (PERMauthorized) {
  	    if (PERMuser[0] == '\0') {
  		(void)sprintf(sendbuff, "%s@%s", "UNKNOWN", ClientHost);
  	    } else {
  		if ((p = strchr(PERMuser, '@')) == NULL) {
  		    (void)sprintf(sendbuff, "%s@%s", PERMuser, ClientHost);
  		} else {
! 		    (void)sprintf(sendbuff, "%s", PERMuser);
  		}
  	    }
  	    HDR(_sender) = sendbuff;
  	}
! 	else /* if (!PERMauthorized) */
  	    HDR(_sender) = NULL;
      }